| /* |
| * HTMLparser.c : an HTML 4.0 non-verifying parser |
| * |
| * See Copyright for the status of this software. |
| * |
| * daniel@veillard.com |
| */ |
| |
| #define IN_LIBXML |
| #include "libxml.h" |
| #ifdef LIBXML_HTML_ENABLED |
| |
| #include <string.h> |
| #ifdef HAVE_CTYPE_H |
| #include <ctype.h> |
| #endif |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #ifdef HAVE_SYS_STAT_H |
| #include <sys/stat.h> |
| #endif |
| #ifdef HAVE_FCNTL_H |
| #include <fcntl.h> |
| #endif |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #ifdef LIBXML_ZLIB_ENABLED |
| #include <zlib.h> |
| #endif |
| |
| #include <libxml/xmlmemory.h> |
| #include <libxml/tree.h> |
| #include <libxml/parser.h> |
| #include <libxml/parserInternals.h> |
| #include <libxml/xmlerror.h> |
| #include <libxml/HTMLparser.h> |
| #include <libxml/HTMLtree.h> |
| #include <libxml/entities.h> |
| #include <libxml/encoding.h> |
| #include <libxml/valid.h> |
| #include <libxml/xmlIO.h> |
| #include <libxml/globals.h> |
| #include <libxml/uri.h> |
| |
| #include "buf.h" |
| #include "enc.h" |
| |
| #define HTML_MAX_NAMELEN 1000 |
| #define HTML_PARSER_BIG_BUFFER_SIZE 1000 |
| #define HTML_PARSER_BUFFER_SIZE 100 |
| |
| /* #define DEBUG */ |
| /* #define DEBUG_PUSH */ |
| |
| static int htmlOmittedDefaultValue = 1; |
| #if defined(STARBOARD) |
| static int htmlEmitImpliedRootLevelParagraphValue = 1; |
| #endif // defined(STARBOARD) |
| |
| xmlChar * htmlDecodeEntities(htmlParserCtxtPtr ctxt, int len, |
| xmlChar end, xmlChar end2, xmlChar end3); |
| static void htmlParseComment(htmlParserCtxtPtr ctxt); |
| |
| /************************************************************************ |
| * * |
| * Some factorized error routines * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * htmlErrMemory: |
| * @ctxt: an HTML parser context |
| * @extra: extra information |
| * |
| * Handle a redefinition of attribute error |
| */ |
| static void |
| htmlErrMemory(xmlParserCtxtPtr ctxt, const char *extra) |
| { |
| if ((ctxt != NULL) && (ctxt->disableSAX != 0) && |
| (ctxt->instate == XML_PARSER_EOF)) |
| return; |
| if (ctxt != NULL) { |
| ctxt->errNo = XML_ERR_NO_MEMORY; |
| ctxt->instate = XML_PARSER_EOF; |
| ctxt->disableSAX = 1; |
| } |
| if (extra) |
| __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, |
| XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra, |
| NULL, NULL, 0, 0, |
| "Memory allocation failed : %s\n", extra); |
| else |
| __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, |
| XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL, |
| NULL, NULL, 0, 0, "Memory allocation failed\n"); |
| } |
| |
| /** |
| * htmlParseErr: |
| * @ctxt: an HTML parser context |
| * @error: the error number |
| * @msg: the error message |
| * @str1: string infor |
| * @str2: string infor |
| * |
| * Handle a fatal parser error, i.e. violating Well-Formedness constraints |
| */ |
| static void LIBXML_ATTR_FORMAT(3,0) |
| htmlParseErr(xmlParserCtxtPtr ctxt, xmlParserErrors error, |
| const char *msg, const xmlChar *str1, const xmlChar *str2) |
| { |
| if ((ctxt != NULL) && (ctxt->disableSAX != 0) && |
| (ctxt->instate == XML_PARSER_EOF)) |
| return; |
| if (ctxt != NULL) |
| ctxt->errNo = error; |
| __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_HTML, error, |
| XML_ERR_ERROR, NULL, 0, |
| (const char *) str1, (const char *) str2, |
| NULL, 0, 0, |
| msg, str1, str2); |
| if (ctxt != NULL) |
| ctxt->wellFormed = 0; |
| } |
| |
| /** |
| * htmlParseErrInt: |
| * @ctxt: an HTML parser context |
| * @error: the error number |
| * @msg: the error message |
| * @val: integer info |
| * |
| * Handle a fatal parser error, i.e. violating Well-Formedness constraints |
| */ |
| static void LIBXML_ATTR_FORMAT(3,0) |
| htmlParseErrInt(xmlParserCtxtPtr ctxt, xmlParserErrors error, |
| const char *msg, int val) |
| { |
| if ((ctxt != NULL) && (ctxt->disableSAX != 0) && |
| (ctxt->instate == XML_PARSER_EOF)) |
| return; |
| if (ctxt != NULL) |
| ctxt->errNo = error; |
| __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_HTML, error, |
| XML_ERR_ERROR, NULL, 0, NULL, NULL, |
| NULL, val, 0, msg, val); |
| if (ctxt != NULL) |
| ctxt->wellFormed = 0; |
| } |
| |
| /************************************************************************ |
| * * |
| * Parser stacks related functions and macros * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * htmlnamePush: |
| * @ctxt: an HTML parser context |
| * @value: the element name |
| * |
| * Pushes a new element name on top of the name stack |
| * |
| * Returns 0 in case of error, the index in the stack otherwise |
| */ |
| static int |
| htmlnamePush(htmlParserCtxtPtr ctxt, const xmlChar * value) |
| { |
| if ((ctxt->html < 3) && (xmlStrEqual(value, BAD_CAST "head"))) |
| ctxt->html = 3; |
| if ((ctxt->html < 10) && (xmlStrEqual(value, BAD_CAST "body"))) |
| ctxt->html = 10; |
| if (ctxt->nameNr >= ctxt->nameMax) { |
| ctxt->nameMax *= 2; |
| ctxt->nameTab = (const xmlChar * *) |
| xmlRealloc((xmlChar * *)ctxt->nameTab, |
| ctxt->nameMax * |
| sizeof(ctxt->nameTab[0])); |
| if (ctxt->nameTab == NULL) { |
| htmlErrMemory(ctxt, NULL); |
| return (0); |
| } |
| } |
| ctxt->nameTab[ctxt->nameNr] = value; |
| ctxt->name = value; |
| return (ctxt->nameNr++); |
| } |
| /** |
| * htmlnamePop: |
| * @ctxt: an HTML parser context |
| * |
| * Pops the top element name from the name stack |
| * |
| * Returns the name just removed |
| */ |
| static const xmlChar * |
| htmlnamePop(htmlParserCtxtPtr ctxt) |
| { |
| const xmlChar *ret; |
| |
| if (ctxt->nameNr <= 0) |
| return (NULL); |
| ctxt->nameNr--; |
| if (ctxt->nameNr < 0) |
| return (NULL); |
| if (ctxt->nameNr > 0) |
| ctxt->name = ctxt->nameTab[ctxt->nameNr - 1]; |
| else |
| ctxt->name = NULL; |
| ret = ctxt->nameTab[ctxt->nameNr]; |
| ctxt->nameTab[ctxt->nameNr] = NULL; |
| return (ret); |
| } |
| |
| /** |
| * htmlNodeInfoPush: |
| * @ctxt: an HTML parser context |
| * @value: the node info |
| * |
| * Pushes a new element name on top of the node info stack |
| * |
| * Returns 0 in case of error, the index in the stack otherwise |
| */ |
| static int |
| htmlNodeInfoPush(htmlParserCtxtPtr ctxt, htmlParserNodeInfo *value) |
| { |
| if (ctxt->nodeInfoNr >= ctxt->nodeInfoMax) { |
| if (ctxt->nodeInfoMax == 0) |
| ctxt->nodeInfoMax = 5; |
| ctxt->nodeInfoMax *= 2; |
| ctxt->nodeInfoTab = (htmlParserNodeInfo *) |
| xmlRealloc((htmlParserNodeInfo *)ctxt->nodeInfoTab, |
| ctxt->nodeInfoMax * |
| sizeof(ctxt->nodeInfoTab[0])); |
| if (ctxt->nodeInfoTab == NULL) { |
| htmlErrMemory(ctxt, NULL); |
| return (0); |
| } |
| } |
| ctxt->nodeInfoTab[ctxt->nodeInfoNr] = *value; |
| ctxt->nodeInfo = &ctxt->nodeInfoTab[ctxt->nodeInfoNr]; |
| return (ctxt->nodeInfoNr++); |
| } |
| |
| /** |
| * htmlNodeInfoPop: |
| * @ctxt: an HTML parser context |
| * |
| * Pops the top element name from the node info stack |
| * |
| * Returns 0 in case of error, the pointer to NodeInfo otherwise |
| */ |
| static htmlParserNodeInfo * |
| htmlNodeInfoPop(htmlParserCtxtPtr ctxt) |
| { |
| if (ctxt->nodeInfoNr <= 0) |
| return (NULL); |
| ctxt->nodeInfoNr--; |
| if (ctxt->nodeInfoNr < 0) |
| return (NULL); |
| if (ctxt->nodeInfoNr > 0) |
| ctxt->nodeInfo = &ctxt->nodeInfoTab[ctxt->nodeInfoNr - 1]; |
| else |
| ctxt->nodeInfo = NULL; |
| return &ctxt->nodeInfoTab[ctxt->nodeInfoNr]; |
| } |
| |
| /* |
| * Macros for accessing the content. Those should be used only by the parser, |
| * and not exported. |
| * |
| * Dirty macros, i.e. one need to make assumption on the context to use them |
| * |
| * CUR_PTR return the current pointer to the xmlChar to be parsed. |
| * CUR returns the current xmlChar value, i.e. a 8 bit value if compiled |
| * in ISO-Latin or UTF-8, and the current 16 bit value if compiled |
| * in UNICODE mode. This should be used internally by the parser |
| * only to compare to ASCII values otherwise it would break when |
| * running with UTF-8 encoding. |
| * NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only |
| * to compare on ASCII based substring. |
| * UPP(n) returns the n'th next xmlChar converted to uppercase. Same as CUR |
| * it should be used only to compare on ASCII based substring. |
| * SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined |
| * strings without newlines within the parser. |
| * |
| * Clean macros, not dependent of an ASCII context, expect UTF-8 encoding |
| * |
| * CURRENT Returns the current char value, with the full decoding of |
| * UTF-8 if we are using this mode. It returns an int. |
| * NEXT Skip to the next character, this does the proper decoding |
| * in UTF-8 mode. It also pop-up unfinished entities on the fly. |
| * NEXTL(l) Skip the current unicode character of l xmlChars long. |
| * COPY(to) copy one char to *to, increment CUR_PTR and to accordingly |
| */ |
| |
| #define UPPER (toupper(*ctxt->input->cur)) |
| |
| #define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val),ctxt->input->col+=(val) |
| |
| #define NXT(val) ctxt->input->cur[(val)] |
| |
| #define UPP(val) (toupper(ctxt->input->cur[(val)])) |
| |
| #define CUR_PTR ctxt->input->cur |
| #define BASE_PTR ctxt->input->base |
| |
| #define SHRINK if ((ctxt->input->cur - ctxt->input->base > 2 * INPUT_CHUNK) && \ |
| (ctxt->input->end - ctxt->input->cur < 2 * INPUT_CHUNK)) \ |
| xmlParserInputShrink(ctxt->input) |
| |
| #define GROW if ((ctxt->progressive == 0) && \ |
| (ctxt->input->end - ctxt->input->cur < INPUT_CHUNK)) \ |
| xmlParserInputGrow(ctxt->input, INPUT_CHUNK) |
| |
| #define CURRENT ((int) (*ctxt->input->cur)) |
| |
| #define SKIP_BLANKS htmlSkipBlankChars(ctxt) |
| |
| /* Imported from XML */ |
| |
| /* #define CUR (ctxt->token ? ctxt->token : (int) (*ctxt->input->cur)) */ |
| #define CUR ((int) (*ctxt->input->cur)) |
| #define NEXT xmlNextChar(ctxt) |
| |
| #define RAW (ctxt->token ? -1 : (*ctxt->input->cur)) |
| |
| |
| #define NEXTL(l) do { \ |
| if (*(ctxt->input->cur) == '\n') { \ |
| ctxt->input->line++; ctxt->input->col = 1; \ |
| } else ctxt->input->col++; \ |
| ctxt->token = 0; ctxt->input->cur += l; ctxt->nbChars++; \ |
| } while (0) |
| |
| /************ |
| \ |
| if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \ |
| if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt); |
| ************/ |
| |
| #define CUR_CHAR(l) htmlCurrentChar(ctxt, &l) |
| #define CUR_SCHAR(s, l) xmlStringCurrentChar(ctxt, s, &l) |
| |
| #define COPY_BUF(l,b,i,v) \ |
| if (l == 1) b[i++] = (xmlChar) v; \ |
| else i += xmlCopyChar(l,&b[i],v) |
| |
| /** |
| * htmlFindEncoding: |
| * @the HTML parser context |
| * |
| * Ty to find and encoding in the current data available in the input |
| * buffer this is needed to try to switch to the proper encoding when |
| * one face a character error. |
| * That's an heuristic, since it's operating outside of parsing it could |
| * try to use a meta which had been commented out, that's the reason it |
| * should only be used in case of error, not as a default. |
| * |
| * Returns an encoding string or NULL if not found, the string need to |
| * be freed |
| */ |
| static xmlChar * |
| htmlFindEncoding(xmlParserCtxtPtr ctxt) { |
| const xmlChar *start, *cur, *end; |
| |
| if ((ctxt == NULL) || (ctxt->input == NULL) || |
| (ctxt->input->encoding != NULL) || (ctxt->input->buf == NULL) || |
| (ctxt->input->buf->encoder != NULL)) |
| return(NULL); |
| if ((ctxt->input->cur == NULL) || (ctxt->input->end == NULL)) |
| return(NULL); |
| |
| start = ctxt->input->cur; |
| end = ctxt->input->end; |
| /* we also expect the input buffer to be zero terminated */ |
| if (*end != 0) |
| return(NULL); |
| |
| cur = xmlStrcasestr(start, BAD_CAST "HTTP-EQUIV"); |
| if (cur == NULL) |
| return(NULL); |
| cur = xmlStrcasestr(cur, BAD_CAST "CONTENT"); |
| if (cur == NULL) |
| return(NULL); |
| cur = xmlStrcasestr(cur, BAD_CAST "CHARSET="); |
| if (cur == NULL) |
| return(NULL); |
| cur += 8; |
| start = cur; |
| while (((*cur >= 'A') && (*cur <= 'Z')) || |
| ((*cur >= 'a') && (*cur <= 'z')) || |
| ((*cur >= '0') && (*cur <= '9')) || |
| (*cur == '-') || (*cur == '_') || (*cur == ':') || (*cur == '/')) |
| cur++; |
| if (cur == start) |
| return(NULL); |
| return(xmlStrndup(start, cur - start)); |
| } |
| |
| /** |
| * htmlCurrentChar: |
| * @ctxt: the HTML parser context |
| * @len: pointer to the length of the char read |
| * |
| * The current char value, if using UTF-8 this may actually span multiple |
| * bytes in the input buffer. Implement the end of line normalization: |
| * 2.11 End-of-Line Handling |
| * If the encoding is unspecified, in the case we find an ISO-Latin-1 |
| * char, then the encoding converter is plugged in automatically. |
| * |
| * Returns the current char value and its length |
| */ |
| |
| static int |
| htmlCurrentChar(xmlParserCtxtPtr ctxt, int *len) { |
| if (ctxt->instate == XML_PARSER_EOF) |
| return(0); |
| |
| if (ctxt->token != 0) { |
| *len = 0; |
| return(ctxt->token); |
| } |
| if (ctxt->charset == XML_CHAR_ENCODING_UTF8) { |
| /* |
| * We are supposed to handle UTF8, check it's valid |
| * From rfc2044: encoding of the Unicode values on UTF-8: |
| * |
| * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| * 0000 0000-0000 007F 0xxxxxxx |
| * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| * |
| * Check for the 0x110000 limit too |
| */ |
| const unsigned char *cur = ctxt->input->cur; |
| unsigned char c; |
| unsigned int val; |
| |
| c = *cur; |
| if (c & 0x80) { |
| if (cur[1] == 0) { |
| xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| cur = ctxt->input->cur; |
| } |
| if ((cur[1] & 0xc0) != 0x80) |
| goto encoding_error; |
| if ((c & 0xe0) == 0xe0) { |
| |
| if (cur[2] == 0) { |
| xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| cur = ctxt->input->cur; |
| } |
| if ((cur[2] & 0xc0) != 0x80) |
| goto encoding_error; |
| if ((c & 0xf0) == 0xf0) { |
| if (cur[3] == 0) { |
| xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| cur = ctxt->input->cur; |
| } |
| if (((c & 0xf8) != 0xf0) || |
| ((cur[3] & 0xc0) != 0x80)) |
| goto encoding_error; |
| /* 4-byte code */ |
| *len = 4; |
| val = (cur[0] & 0x7) << 18; |
| val |= (cur[1] & 0x3f) << 12; |
| val |= (cur[2] & 0x3f) << 6; |
| val |= cur[3] & 0x3f; |
| } else { |
| /* 3-byte code */ |
| *len = 3; |
| val = (cur[0] & 0xf) << 12; |
| val |= (cur[1] & 0x3f) << 6; |
| val |= cur[2] & 0x3f; |
| } |
| } else { |
| /* 2-byte code */ |
| *len = 2; |
| val = (cur[0] & 0x1f) << 6; |
| val |= cur[1] & 0x3f; |
| } |
| if (!IS_CHAR(val)) { |
| htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR, |
| "Char 0x%X out of allowed range\n", val); |
| } |
| return(val); |
| } else { |
| if ((*ctxt->input->cur == 0) && |
| (ctxt->input->cur < ctxt->input->end)) { |
| htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR, |
| "Char 0x%X out of allowed range\n", 0); |
| *len = 1; |
| return(' '); |
| } |
| /* 1-byte code */ |
| *len = 1; |
| return((int) *ctxt->input->cur); |
| } |
| } |
| /* |
| * Assume it's a fixed length encoding (1) with |
| * a compatible encoding for the ASCII set, since |
| * XML constructs only use < 128 chars |
| */ |
| *len = 1; |
| if ((int) *ctxt->input->cur < 0x80) |
| return((int) *ctxt->input->cur); |
| |
| /* |
| * Humm this is bad, do an automatic flow conversion |
| */ |
| { |
| xmlChar * guess; |
| xmlCharEncodingHandlerPtr handler; |
| |
| guess = htmlFindEncoding(ctxt); |
| if (guess == NULL) { |
| xmlSwitchEncoding(ctxt, XML_CHAR_ENCODING_8859_1); |
| } else { |
| if (ctxt->input->encoding != NULL) |
| xmlFree((xmlChar *) ctxt->input->encoding); |
| ctxt->input->encoding = guess; |
| handler = xmlFindCharEncodingHandler((const char *) guess); |
| if (handler != NULL) { |
| xmlSwitchToEncoding(ctxt, handler); |
| } else { |
| htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING, |
| "Unsupported encoding %s", guess, NULL); |
| } |
| } |
| ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| } |
| |
| return(xmlCurrentChar(ctxt, len)); |
| |
| encoding_error: |
| /* |
| * If we detect an UTF8 error that probably mean that the |
| * input encoding didn't get properly advertised in the |
| * declaration header. Report the error and switch the encoding |
| * to ISO-Latin-1 (if you don't like this policy, just declare the |
| * encoding !) |
| */ |
| { |
| char buffer[150]; |
| |
| if (ctxt->input->end - ctxt->input->cur >= 4) { |
| snprintf(buffer, 149, "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n", |
| ctxt->input->cur[0], ctxt->input->cur[1], |
| ctxt->input->cur[2], ctxt->input->cur[3]); |
| } else { |
| snprintf(buffer, 149, "Bytes: 0x%02X\n", ctxt->input->cur[0]); |
| } |
| htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING, |
| "Input is not proper UTF-8, indicate encoding !\n", |
| BAD_CAST buffer, NULL); |
| } |
| |
| ctxt->charset = XML_CHAR_ENCODING_8859_1; |
| *len = 1; |
| return((int) *ctxt->input->cur); |
| } |
| |
| /** |
| * htmlSkipBlankChars: |
| * @ctxt: the HTML parser context |
| * |
| * skip all blanks character found at that point in the input streams. |
| * |
| * Returns the number of space chars skipped |
| */ |
| |
| static int |
| htmlSkipBlankChars(xmlParserCtxtPtr ctxt) { |
| int res = 0; |
| |
| while (IS_BLANK_CH(*(ctxt->input->cur))) { |
| if ((*ctxt->input->cur == 0) && |
| (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) { |
| xmlPopInput(ctxt); |
| } else { |
| if (*(ctxt->input->cur) == '\n') { |
| ctxt->input->line++; ctxt->input->col = 1; |
| } else ctxt->input->col++; |
| ctxt->input->cur++; |
| ctxt->nbChars++; |
| if (*ctxt->input->cur == 0) |
| xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| } |
| res++; |
| } |
| return(res); |
| } |
| |
| |
| |
| /************************************************************************ |
| * * |
| * The list of HTML elements and their properties * |
| * * |
| ************************************************************************/ |
| |
| /* |
| * Start Tag: 1 means the start tag can be omitted |
| * End Tag: 1 means the end tag can be omitted |
| * 2 means it's forbidden (empty elements) |
| * 3 means the tag is stylistic and should be closed easily |
| * Depr: this element is deprecated |
| * DTD: 1 means that this element is valid only in the Loose DTD |
| * 2 means that this element is valid only in the Frameset DTD |
| * |
| * Name,Start Tag,End Tag,Save End,Empty,Deprecated,DTD,inline,Description |
| , subElements , impliedsubelt , Attributes, userdata |
| */ |
| |
| /* Definitions and a couple of vars for HTML Elements */ |
| |
| #define FONTSTYLE "tt", "i", "b", "u", "s", "strike", "big", "small" |
| #define NB_FONTSTYLE 8 |
| #define PHRASE "em", "strong", "dfn", "code", "samp", "kbd", "var", "cite", "abbr", "acronym" |
| #define NB_PHRASE 10 |
| #define SPECIAL "a", "img", "applet", "embed", "object", "font", "basefont", "br", "script", "map", "q", "sub", "sup", "span", "bdo", "iframe" |
| #define NB_SPECIAL 16 |
| #define INLINE FONTSTYLE, PHRASE, SPECIAL, FORMCTRL |
| #define NB_INLINE NB_PCDATA + NB_FONTSTYLE + NB_PHRASE + NB_SPECIAL + NB_FORMCTRL |
| #define BLOCK HEADING, LIST, "pre", "p", "dl", "div", "center", "noscript", "noframes", "blockquote", "form", "isindex", "hr", "table", "fieldset", "address" |
| #define NB_BLOCK NB_HEADING + NB_LIST + 14 |
| #define FORMCTRL "input", "select", "textarea", "label", "button" |
| #define NB_FORMCTRL 5 |
| #define PCDATA |
| #define NB_PCDATA 0 |
| #define HEADING "h1", "h2", "h3", "h4", "h5", "h6" |
| #define NB_HEADING 6 |
| #define LIST "ul", "ol", "dir", "menu" |
| #define NB_LIST 4 |
| #define MODIFIER |
| #define NB_MODIFIER 0 |
| #define FLOW BLOCK,INLINE |
| #define NB_FLOW NB_BLOCK + NB_INLINE |
| #define EMPTY NULL |
| |
| |
| static const char* const html_flow[] = { FLOW, NULL } ; |
| static const char* const html_inline[] = { INLINE, NULL } ; |
| |
| /* placeholders: elts with content but no subelements */ |
| static const char* const html_pcdata[] = { NULL } ; |
| #define html_cdata html_pcdata |
| |
| |
| /* ... and for HTML Attributes */ |
| |
| #define COREATTRS "id", "class", "style", "title" |
| #define NB_COREATTRS 4 |
| #define I18N "lang", "dir" |
| #define NB_I18N 2 |
| #define EVENTS "onclick", "ondblclick", "onmousedown", "onmouseup", "onmouseover", "onmouseout", "onkeypress", "onkeydown", "onkeyup" |
| #define NB_EVENTS 9 |
| #define ATTRS COREATTRS,I18N,EVENTS |
| #define NB_ATTRS NB_NB_COREATTRS + NB_I18N + NB_EVENTS |
| #define CELLHALIGN "align", "char", "charoff" |
| #define NB_CELLHALIGN 3 |
| #define CELLVALIGN "valign" |
| #define NB_CELLVALIGN 1 |
| |
| static const char* const html_attrs[] = { ATTRS, NULL } ; |
| static const char* const core_i18n_attrs[] = { COREATTRS, I18N, NULL } ; |
| static const char* const core_attrs[] = { COREATTRS, NULL } ; |
| static const char* const i18n_attrs[] = { I18N, NULL } ; |
| |
| |
| /* Other declarations that should go inline ... */ |
| static const char* const a_attrs[] = { ATTRS, "charset", "type", "name", |
| "href", "hreflang", "rel", "rev", "accesskey", "shape", "coords", |
| "tabindex", "onfocus", "onblur", NULL } ; |
| static const char* const target_attr[] = { "target", NULL } ; |
| static const char* const rows_cols_attr[] = { "rows", "cols", NULL } ; |
| static const char* const alt_attr[] = { "alt", NULL } ; |
| static const char* const src_alt_attrs[] = { "src", "alt", NULL } ; |
| static const char* const href_attrs[] = { "href", NULL } ; |
| static const char* const clear_attrs[] = { "clear", NULL } ; |
| static const char* const inline_p[] = { INLINE, "p", NULL } ; |
| |
| static const char* const flow_param[] = { FLOW, "param", NULL } ; |
| static const char* const applet_attrs[] = { COREATTRS , "codebase", |
| "archive", "alt", "name", "height", "width", "align", |
| "hspace", "vspace", NULL } ; |
| static const char* const area_attrs[] = { "shape", "coords", "href", "nohref", |
| "tabindex", "accesskey", "onfocus", "onblur", NULL } ; |
| static const char* const basefont_attrs[] = |
| { "id", "size", "color", "face", NULL } ; |
| static const char* const quote_attrs[] = { ATTRS, "cite", NULL } ; |
| static const char* const body_contents[] = { FLOW, "ins", "del", NULL } ; |
| static const char* const body_attrs[] = { ATTRS, "onload", "onunload", NULL } ; |
| static const char* const body_depr[] = { "background", "bgcolor", "text", |
| "link", "vlink", "alink", NULL } ; |
| static const char* const button_attrs[] = { ATTRS, "name", "value", "type", |
| "disabled", "tabindex", "accesskey", "onfocus", "onblur", NULL } ; |
| |
| |
| static const char* const col_attrs[] = { ATTRS, "span", "width", CELLHALIGN, CELLVALIGN, NULL } ; |
| static const char* const col_elt[] = { "col", NULL } ; |
| static const char* const edit_attrs[] = { ATTRS, "datetime", "cite", NULL } ; |
| static const char* const compact_attrs[] = { ATTRS, "compact", NULL } ; |
| static const char* const dl_contents[] = { "dt", "dd", NULL } ; |
| static const char* const compact_attr[] = { "compact", NULL } ; |
| static const char* const label_attr[] = { "label", NULL } ; |
| static const char* const fieldset_contents[] = { FLOW, "legend" } ; |
| static const char* const font_attrs[] = { COREATTRS, I18N, "size", "color", "face" , NULL } ; |
| static const char* const form_contents[] = { HEADING, LIST, INLINE, "pre", "p", "div", "center", "noscript", "noframes", "blockquote", "isindex", "hr", "table", "fieldset", "address", NULL } ; |
| static const char* const form_attrs[] = { ATTRS, "method", "enctype", "accept", "name", "onsubmit", "onreset", "accept-charset", NULL } ; |
| static const char* const frame_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "noresize", "scrolling" , NULL } ; |
| static const char* const frameset_attrs[] = { COREATTRS, "rows", "cols", "onload", "onunload", NULL } ; |
| static const char* const frameset_contents[] = { "frameset", "frame", "noframes", NULL } ; |
| static const char* const head_attrs[] = { I18N, "profile", NULL } ; |
| static const char* const head_contents[] = { "title", "isindex", "base", "script", "style", "meta", "link", "object", NULL } ; |
| static const char* const hr_depr[] = { "align", "noshade", "size", "width", NULL } ; |
| static const char* const version_attr[] = { "version", NULL } ; |
| static const char* const html_content[] = { "head", "body", "frameset", NULL } ; |
| static const char* const iframe_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "scrolling", "align", "height", "width", NULL } ; |
| static const char* const img_attrs[] = { ATTRS, "longdesc", "name", "height", "width", "usemap", "ismap", NULL } ; |
| static const char* const embed_attrs[] = { COREATTRS, "align", "alt", "border", "code", "codebase", "frameborder", "height", "hidden", "hspace", "name", "palette", "pluginspace", "pluginurl", "src", "type", "units", "vspace", "width", NULL } ; |
| static const char* const input_attrs[] = { ATTRS, "type", "name", "value", "checked", "disabled", "readonly", "size", "maxlength", "src", "alt", "usemap", "ismap", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", "accept", NULL } ; |
| static const char* const prompt_attrs[] = { COREATTRS, I18N, "prompt", NULL } ; |
| static const char* const label_attrs[] = { ATTRS, "for", "accesskey", "onfocus", "onblur", NULL } ; |
| static const char* const legend_attrs[] = { ATTRS, "accesskey", NULL } ; |
| static const char* const align_attr[] = { "align", NULL } ; |
| static const char* const link_attrs[] = { ATTRS, "charset", "href", "hreflang", "type", "rel", "rev", "media", NULL } ; |
| static const char* const map_contents[] = { BLOCK, "area", NULL } ; |
| static const char* const name_attr[] = { "name", NULL } ; |
| static const char* const action_attr[] = { "action", NULL } ; |
| static const char* const blockli_elt[] = { BLOCK, "li", NULL } ; |
| static const char* const meta_attrs[] = { I18N, "http-equiv", "name", "scheme", "charset", NULL } ; |
| static const char* const content_attr[] = { "content", NULL } ; |
| static const char* const type_attr[] = { "type", NULL } ; |
| static const char* const noframes_content[] = { "body", FLOW MODIFIER, NULL } ; |
| static const char* const object_contents[] = { FLOW, "param", NULL } ; |
| static const char* const object_attrs[] = { ATTRS, "declare", "classid", "codebase", "data", "type", "codetype", "archive", "standby", "height", "width", "usemap", "name", "tabindex", NULL } ; |
| static const char* const object_depr[] = { "align", "border", "hspace", "vspace", NULL } ; |
| static const char* const ol_attrs[] = { "type", "compact", "start", NULL} ; |
| static const char* const option_elt[] = { "option", NULL } ; |
| static const char* const optgroup_attrs[] = { ATTRS, "disabled", NULL } ; |
| static const char* const option_attrs[] = { ATTRS, "disabled", "label", "selected", "value", NULL } ; |
| static const char* const param_attrs[] = { "id", "value", "valuetype", "type", NULL } ; |
| static const char* const width_attr[] = { "width", NULL } ; |
| static const char* const pre_content[] = { PHRASE, "tt", "i", "b", "u", "s", "strike", "a", "br", "script", "map", "q", "span", "bdo", "iframe", NULL } ; |
| static const char* const script_attrs[] = { "charset", "src", "defer", "event", "for", NULL } ; |
| static const char* const language_attr[] = { "language", NULL } ; |
| static const char* const select_content[] = { "optgroup", "option", NULL } ; |
| static const char* const select_attrs[] = { ATTRS, "name", "size", "multiple", "disabled", "tabindex", "onfocus", "onblur", "onchange", NULL } ; |
| static const char* const style_attrs[] = { I18N, "media", "title", NULL } ; |
| static const char* const table_attrs[] = { ATTRS, "summary", "width", "border", "frame", "rules", "cellspacing", "cellpadding", "datapagesize", NULL } ; |
| static const char* const table_depr[] = { "align", "bgcolor", NULL } ; |
| static const char* const table_contents[] = { "caption", "col", "colgroup", "thead", "tfoot", "tbody", "tr", NULL} ; |
| static const char* const tr_elt[] = { "tr", NULL } ; |
| static const char* const talign_attrs[] = { ATTRS, CELLHALIGN, CELLVALIGN, NULL} ; |
| static const char* const th_td_depr[] = { "nowrap", "bgcolor", "width", "height", NULL } ; |
| static const char* const th_td_attr[] = { ATTRS, "abbr", "axis", "headers", "scope", "rowspan", "colspan", CELLHALIGN, CELLVALIGN, NULL } ; |
| static const char* const textarea_attrs[] = { ATTRS, "name", "disabled", "readonly", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", NULL } ; |
| static const char* const tr_contents[] = { "th", "td", NULL } ; |
| static const char* const bgcolor_attr[] = { "bgcolor", NULL } ; |
| static const char* const li_elt[] = { "li", NULL } ; |
| static const char* const ul_depr[] = { "type", "compact", NULL} ; |
| static const char* const dir_attr[] = { "dir", NULL} ; |
| |
| #define DECL (const char**) |
| |
| static const htmlElemDesc |
| html40ElementTable[] = { |
| { "a", 0, 0, 0, 0, 0, 0, 1, "anchor ", |
| DECL html_inline , NULL , DECL a_attrs , DECL target_attr, NULL |
| }, |
| { "abbr", 0, 0, 0, 0, 0, 0, 1, "abbreviated form", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "acronym", 0, 0, 0, 0, 0, 0, 1, "", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "address", 0, 0, 0, 0, 0, 0, 0, "information on author ", |
| DECL inline_p , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "applet", 0, 0, 0, 0, 1, 1, 2, "java applet ", |
| DECL flow_param , NULL , NULL , DECL applet_attrs, NULL |
| }, |
| { "area", 0, 2, 2, 1, 0, 0, 0, "client-side image map area ", |
| EMPTY , NULL , DECL area_attrs , DECL target_attr, DECL alt_attr |
| }, |
| { "b", 0, 3, 0, 0, 0, 0, 1, "bold text style", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "base", 0, 2, 2, 1, 0, 0, 0, "document base uri ", |
| EMPTY , NULL , NULL , DECL target_attr, DECL href_attrs |
| }, |
| { "basefont", 0, 2, 2, 1, 1, 1, 1, "base font size " , |
| EMPTY , NULL , NULL, DECL basefont_attrs, NULL |
| }, |
| { "bdo", 0, 0, 0, 0, 0, 0, 1, "i18n bidi over-ride ", |
| DECL html_inline , NULL , DECL core_i18n_attrs, NULL, DECL dir_attr |
| }, |
| { "big", 0, 3, 0, 0, 0, 0, 1, "large text style", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "blockquote", 0, 0, 0, 0, 0, 0, 0, "long quotation ", |
| DECL html_flow , NULL , DECL quote_attrs , NULL, NULL |
| }, |
| { "body", 1, 1, 0, 0, 0, 0, 0, "document body ", |
| DECL body_contents , "div" , DECL body_attrs, DECL body_depr, NULL |
| }, |
| { "br", 0, 2, 2, 1, 0, 0, 1, "forced line break ", |
| EMPTY , NULL , DECL core_attrs, DECL clear_attrs , NULL |
| }, |
| { "button", 0, 0, 0, 0, 0, 0, 2, "push button ", |
| DECL html_flow MODIFIER , NULL , DECL button_attrs, NULL, NULL |
| }, |
| { "caption", 0, 0, 0, 0, 0, 0, 0, "table caption ", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "center", 0, 3, 0, 0, 1, 1, 0, "shorthand for div align=center ", |
| DECL html_flow , NULL , NULL, DECL html_attrs, NULL |
| }, |
| { "cite", 0, 0, 0, 0, 0, 0, 1, "citation", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "code", 0, 0, 0, 0, 0, 0, 1, "computer code fragment", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "col", 0, 2, 2, 1, 0, 0, 0, "table column ", |
| EMPTY , NULL , DECL col_attrs , NULL, NULL |
| }, |
| { "colgroup", 0, 1, 0, 0, 0, 0, 0, "table column group ", |
| DECL col_elt , "col" , DECL col_attrs , NULL, NULL |
| }, |
| { "dd", 0, 1, 0, 0, 0, 0, 0, "definition description ", |
| DECL html_flow , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "del", 0, 0, 0, 0, 0, 0, 2, "deleted text ", |
| DECL html_flow , NULL , DECL edit_attrs , NULL, NULL |
| }, |
| { "dfn", 0, 0, 0, 0, 0, 0, 1, "instance definition", |
| DECL html_inline , NULL , DECL html_attrs, NULL, NULL |
| }, |
| { "dir", 0, 0, 0, 0, 1, 1, 0, "directory list", |
| DECL blockli_elt, "li" , NULL, DECL compact_attrs, NULL |
| }, |
| { "div", 0, 0, 0, 0, 0, 0, 0, "generic language/style container", |
| DECL html_flow, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "dl", 0, 0, 0, 0, 0, 0, 0, "definition list ", |
| DECL dl_contents , "dd" , DECL html_attrs, DECL compact_attr, NULL |
| }, |
| { "dt", 0, 1, 0, 0, 0, 0, 0, "definition term ", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "em", 0, 3, 0, 0, 0, 0, 1, "emphasis", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "embed", 0, 1, 0, 0, 1, 1, 1, "generic embedded object ", |
| EMPTY, NULL, DECL embed_attrs, NULL, NULL |
| }, |
| { "fieldset", 0, 0, 0, 0, 0, 0, 0, "form control group ", |
| DECL fieldset_contents , NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "font", 0, 3, 0, 0, 1, 1, 1, "local change to font ", |
| DECL html_inline, NULL, NULL, DECL font_attrs, NULL |
| }, |
| { "form", 0, 0, 0, 0, 0, 0, 0, "interactive form ", |
| DECL form_contents, "fieldset", DECL form_attrs , DECL target_attr, DECL action_attr |
| }, |
| { "frame", 0, 2, 2, 1, 0, 2, 0, "subwindow " , |
| EMPTY, NULL, NULL, DECL frame_attrs, NULL |
| }, |
| { "frameset", 0, 0, 0, 0, 0, 2, 0, "window subdivision" , |
| DECL frameset_contents, "noframes" , NULL , DECL frameset_attrs, NULL |
| }, |
| { "h1", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "h2", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "h3", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "h4", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "h5", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "h6", 0, 0, 0, 0, 0, 0, 0, "heading ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "head", 1, 1, 0, 0, 0, 0, 0, "document head ", |
| DECL head_contents, NULL, DECL head_attrs, NULL, NULL |
| }, |
| { "hr", 0, 2, 2, 1, 0, 0, 0, "horizontal rule " , |
| EMPTY, NULL, DECL html_attrs, DECL hr_depr, NULL |
| }, |
| { "html", 1, 1, 0, 0, 0, 0, 0, "document root element ", |
| DECL html_content , NULL , DECL i18n_attrs, DECL version_attr, NULL |
| }, |
| { "i", 0, 3, 0, 0, 0, 0, 1, "italic text style", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "iframe", 0, 0, 0, 0, 0, 1, 2, "inline subwindow ", |
| DECL html_flow, NULL, NULL, DECL iframe_attrs, NULL |
| }, |
| { "img", 0, 2, 2, 1, 0, 0, 1, "embedded image ", |
| EMPTY, NULL, DECL img_attrs, DECL align_attr, DECL src_alt_attrs |
| }, |
| { "input", 0, 2, 2, 1, 0, 0, 1, "form control ", |
| EMPTY, NULL, DECL input_attrs , DECL align_attr, NULL |
| }, |
| { "ins", 0, 0, 0, 0, 0, 0, 2, "inserted text", |
| DECL html_flow, NULL, DECL edit_attrs, NULL, NULL |
| }, |
| { "isindex", 0, 2, 2, 1, 1, 1, 0, "single line prompt ", |
| EMPTY, NULL, NULL, DECL prompt_attrs, NULL |
| }, |
| { "kbd", 0, 0, 0, 0, 0, 0, 1, "text to be entered by the user", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "label", 0, 0, 0, 0, 0, 0, 1, "form field label text ", |
| DECL html_inline MODIFIER, NULL, DECL label_attrs , NULL, NULL |
| }, |
| { "legend", 0, 0, 0, 0, 0, 0, 0, "fieldset legend ", |
| DECL html_inline, NULL, DECL legend_attrs , DECL align_attr, NULL |
| }, |
| { "li", 0, 1, 1, 0, 0, 0, 0, "list item ", |
| DECL html_flow, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "link", 0, 2, 2, 1, 0, 0, 0, "a media-independent link ", |
| EMPTY, NULL, DECL link_attrs, DECL target_attr, NULL |
| }, |
| { "map", 0, 0, 0, 0, 0, 0, 2, "client-side image map ", |
| DECL map_contents , NULL, DECL html_attrs , NULL, DECL name_attr |
| }, |
| { "menu", 0, 0, 0, 0, 1, 1, 0, "menu list ", |
| DECL blockli_elt , NULL, NULL, DECL compact_attrs, NULL |
| }, |
| { "meta", 0, 2, 2, 1, 0, 0, 0, "generic metainformation ", |
| EMPTY, NULL, DECL meta_attrs , NULL , DECL content_attr |
| }, |
| { "noframes", 0, 0, 0, 0, 0, 2, 0, "alternate content container for non frame-based rendering ", |
| DECL noframes_content, "body" , DECL html_attrs, NULL, NULL |
| }, |
| { "noscript", 0, 0, 0, 0, 0, 0, 0, "alternate content container for non script-based rendering ", |
| DECL html_flow, "div", DECL html_attrs, NULL, NULL |
| }, |
| { "object", 0, 0, 0, 0, 0, 0, 2, "generic embedded object ", |
| DECL object_contents , "div" , DECL object_attrs, DECL object_depr, NULL |
| }, |
| { "ol", 0, 0, 0, 0, 0, 0, 0, "ordered list ", |
| DECL li_elt , "li" , DECL html_attrs, DECL ol_attrs, NULL |
| }, |
| { "optgroup", 0, 0, 0, 0, 0, 0, 0, "option group ", |
| DECL option_elt , "option", DECL optgroup_attrs, NULL, DECL label_attr |
| }, |
| { "option", 0, 1, 0, 0, 0, 0, 0, "selectable choice " , |
| DECL html_pcdata, NULL, DECL option_attrs, NULL, NULL |
| }, |
| { "p", 0, 1, 0, 0, 0, 0, 0, "paragraph ", |
| DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL |
| }, |
| { "param", 0, 2, 2, 1, 0, 0, 0, "named property value ", |
| EMPTY, NULL, DECL param_attrs, NULL, DECL name_attr |
| }, |
| { "pre", 0, 0, 0, 0, 0, 0, 0, "preformatted text ", |
| DECL pre_content, NULL, DECL html_attrs, DECL width_attr, NULL |
| }, |
| { "q", 0, 0, 0, 0, 0, 0, 1, "short inline quotation ", |
| DECL html_inline, NULL, DECL quote_attrs, NULL, NULL |
| }, |
| { "s", 0, 3, 0, 0, 1, 1, 1, "strike-through text style", |
| DECL html_inline, NULL, NULL, DECL html_attrs, NULL |
| }, |
| { "samp", 0, 0, 0, 0, 0, 0, 1, "sample program output, scripts, etc.", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "script", 0, 0, 0, 0, 0, 0, 2, "script statements ", |
| DECL html_cdata, NULL, DECL script_attrs, DECL language_attr, DECL type_attr |
| }, |
| { "select", 0, 0, 0, 0, 0, 0, 1, "option selector ", |
| DECL select_content, NULL, DECL select_attrs, NULL, NULL |
| }, |
| { "small", 0, 3, 0, 0, 0, 0, 1, "small text style", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "span", 0, 0, 0, 0, 0, 0, 1, "generic language/style container ", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "strike", 0, 3, 0, 0, 1, 1, 1, "strike-through text", |
| DECL html_inline, NULL, NULL, DECL html_attrs, NULL |
| }, |
| { "strong", 0, 3, 0, 0, 0, 0, 1, "strong emphasis", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "style", 0, 0, 0, 0, 0, 0, 0, "style info ", |
| DECL html_cdata, NULL, DECL style_attrs, NULL, DECL type_attr |
| }, |
| { "sub", 0, 3, 0, 0, 0, 0, 1, "subscript", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "sup", 0, 3, 0, 0, 0, 0, 1, "superscript ", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "table", 0, 0, 0, 0, 0, 0, 0, "", |
| DECL table_contents , "tr" , DECL table_attrs , DECL table_depr, NULL |
| }, |
| { "tbody", 1, 0, 0, 0, 0, 0, 0, "table body ", |
| DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL |
| }, |
| { "td", 0, 0, 0, 0, 0, 0, 0, "table data cell", |
| DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL |
| }, |
| { "textarea", 0, 0, 0, 0, 0, 0, 1, "multi-line text field ", |
| DECL html_pcdata, NULL, DECL textarea_attrs, NULL, DECL rows_cols_attr |
| }, |
| { "tfoot", 0, 1, 0, 0, 0, 0, 0, "table footer ", |
| DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL |
| }, |
| { "th", 0, 1, 0, 0, 0, 0, 0, "table header cell", |
| DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL |
| }, |
| { "thead", 0, 1, 0, 0, 0, 0, 0, "table header ", |
| DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL |
| }, |
| { "title", 0, 0, 0, 0, 0, 0, 0, "document title ", |
| DECL html_pcdata, NULL, DECL i18n_attrs, NULL, NULL |
| }, |
| { "tr", 0, 0, 0, 0, 0, 0, 0, "table row ", |
| DECL tr_contents , "td" , DECL talign_attrs, DECL bgcolor_attr, NULL |
| }, |
| { "tt", 0, 3, 0, 0, 0, 0, 1, "teletype or monospaced text style", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| }, |
| { "u", 0, 3, 0, 0, 1, 1, 1, "underlined text style", |
| DECL html_inline, NULL, NULL, DECL html_attrs, NULL |
| }, |
| { "ul", 0, 0, 0, 0, 0, 0, 0, "unordered list ", |
| DECL li_elt , "li" , DECL html_attrs, DECL ul_depr, NULL |
| }, |
| { "var", 0, 0, 0, 0, 0, 0, 1, "instance of a variable or program argument", |
| DECL html_inline, NULL, DECL html_attrs, NULL, NULL |
| } |
| }; |
| |
| /* |
| * start tags that imply the end of current element |
| */ |
| static const char * const htmlStartClose[] = { |
| "form", "form", "p", "hr", "h1", "h2", "h3", "h4", "h5", "h6", |
| "dl", "ul", "ol", "menu", "dir", "address", "pre", |
| "listing", "xmp", "head", NULL, |
| "head", "p", NULL, |
| "title", "p", NULL, |
| "body", "head", "style", "link", "title", "p", NULL, |
| "frameset", "head", "style", "link", "title", "p", NULL, |
| "li", "p", "h1", "h2", "h3", "h4", "h5", "h6", "dl", "address", |
| "pre", "listing", "xmp", "head", "li", NULL, |
| "hr", "p", "head", NULL, |
| "h1", "p", "head", NULL, |
| "h2", "p", "head", NULL, |
| "h3", "p", "head", NULL, |
| "h4", "p", "head", NULL, |
| "h5", "p", "head", NULL, |
| "h6", "p", "head", NULL, |
| "dir", "p", "head", NULL, |
| "address", "p", "head", "ul", NULL, |
| "pre", "p", "head", "ul", NULL, |
| "listing", "p", "head", NULL, |
| "xmp", "p", "head", NULL, |
| "blockquote", "p", "head", NULL, |
| "dl", "p", "dt", "menu", "dir", "address", "pre", "listing", |
| "xmp", "head", NULL, |
| "dt", "p", "menu", "dir", "address", "pre", "listing", "xmp", |
| "head", "dd", NULL, |
| "dd", "p", "menu", "dir", "address", "pre", "listing", "xmp", |
| "head", "dt", NULL, |
| "ul", "p", "head", "ol", "menu", "dir", "address", "pre", |
| "listing", "xmp", NULL, |
| "ol", "p", "head", "ul", NULL, |
| "menu", "p", "head", "ul", NULL, |
| "p", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", FONTSTYLE, NULL, |
| "div", "p", "head", NULL, |
| "noscript", "script", NULL, |
| "center", "font", "b", "i", "p", "head", NULL, |
| "a", "a", "head", NULL, |
| "caption", "p", NULL, |
| "colgroup", "caption", "colgroup", "col", "p", NULL, |
| "col", "caption", "col", "p", NULL, |
| "table", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", "pre", |
| "listing", "xmp", "a", NULL, |
| "th", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL, |
| "td", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL, |
| "tr", "th", "td", "tr", "caption", "col", "colgroup", "p", NULL, |
| "thead", "caption", "col", "colgroup", NULL, |
| "tfoot", "th", "td", "tr", "caption", "col", "colgroup", "thead", |
| "tbody", "p", NULL, |
| "tbody", "th", "td", "tr", "caption", "col", "colgroup", "thead", |
| "tfoot", "tbody", "p", NULL, |
| "optgroup", "option", NULL, |
| "option", "option", NULL, |
| "fieldset", "legend", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", |
| "pre", "listing", "xmp", "a", NULL, |
| /* most tags in in FONTSTYLE, PHRASE and SPECIAL should close <head> */ |
| "tt", "head", NULL, |
| "i", "head", NULL, |
| "b", "head", NULL, |
| "u", "head", NULL, |
| "s", "head", NULL, |
| "strike", "head", NULL, |
| "big", "head", NULL, |
| "small", "head", NULL, |
| |
| "em", "head", NULL, |
| "strong", "head", NULL, |
| "dfn", "head", NULL, |
| "code", "head", NULL, |
| "samp", "head", NULL, |
| "kbd", "head", NULL, |
| "var", "head", NULL, |
| "cite", "head", NULL, |
| "abbr", "head", NULL, |
| "acronym", "head", NULL, |
| |
| /* "a" */ |
| "img", "head", NULL, |
| /* "applet" */ |
| /* "embed" */ |
| /* "object" */ |
| "font", "head", NULL, |
| /* "basefont" */ |
| "br", "head", NULL, |
| /* "script" */ |
| "map", "head", NULL, |
| "q", "head", NULL, |
| "sub", "head", NULL, |
| "sup", "head", NULL, |
| "span", "head", NULL, |
| "bdo", "head", NULL, |
| "iframe", "head", NULL, |
| NULL |
| }; |
| |
| /* |
| * The list of HTML elements which are supposed not to have |
| * CDATA content and where a p element will be implied |
| * |
| * TODO: extend that list by reading the HTML SGML DTD on |
| * implied paragraph |
| */ |
| static const char *const htmlNoContentElements[] = { |
| "html", |
| "head", |
| NULL |
| }; |
| |
| /* |
| * The list of HTML attributes which are of content %Script; |
| * NOTE: when adding ones, check htmlIsScriptAttribute() since |
| * it assumes the name starts with 'on' |
| */ |
| static const char *const htmlScriptAttributes[] = { |
| "onclick", |
| "ondblclick", |
| "onmousedown", |
| "onmouseup", |
| "onmouseover", |
| "onmousemove", |
| "onmouseout", |
| "onkeypress", |
| "onkeydown", |
| "onkeyup", |
| "onload", |
| "onunload", |
| "onfocus", |
| "onblur", |
| "onsubmit", |
| "onreset", |
| "onchange", |
| "onselect" |
| }; |
| |
| /* |
| * This table is used by the htmlparser to know what to do with |
| * broken html pages. By assigning different priorities to different |
| * elements the parser can decide how to handle extra endtags. |
| * Endtags are only allowed to close elements with lower or equal |
| * priority. |
| */ |
| |
| typedef struct { |
| const char *name; |
| int priority; |
| } elementPriority; |
| |
| static const elementPriority htmlEndPriority[] = { |
| {"div", 150}, |
| {"td", 160}, |
| {"th", 160}, |
| {"tr", 170}, |
| {"thead", 180}, |
| {"tbody", 180}, |
| {"tfoot", 180}, |
| {"table", 190}, |
| {"head", 200}, |
| {"body", 200}, |
| {"html", 220}, |
| {NULL, 100} /* Default priority */ |
| }; |
| |
| static const char** htmlStartCloseIndex[100]; |
| static int htmlStartCloseIndexinitialized = 0; |
| |
| /************************************************************************ |
| * * |
| * functions to handle HTML specific data * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * htmlInitAutoClose: |
| * |
| * Initialize the htmlStartCloseIndex for fast lookup of closing tags names. |
| * This is not reentrant. Call xmlInitParser() once before processing in |
| * case of use in multithreaded programs. |
| */ |
| void |
| htmlInitAutoClose(void) { |
| int indx, i = 0; |
| |
| if (htmlStartCloseIndexinitialized) return; |
| |
| for (indx = 0;indx < 100;indx ++) htmlStartCloseIndex[indx] = NULL; |
| indx = 0; |
| while ((htmlStartClose[i] != NULL) && (indx < 100 - 1)) { |
| htmlStartCloseIndex[indx++] = (const char**) &htmlStartClose[i]; |
| while (htmlStartClose[i] != NULL) i++; |
| i++; |
| } |
| htmlStartCloseIndexinitialized = 1; |
| } |
| |
| /** |
| * htmlTagLookup: |
| * @tag: The tag name in lowercase |
| * |
| * Lookup the HTML tag in the ElementTable |
| * |
| * Returns the related htmlElemDescPtr or NULL if not found. |
| */ |
| const htmlElemDesc * |
| htmlTagLookup(const xmlChar *tag) { |
| unsigned int i; |
| |
| for (i = 0; i < (sizeof(html40ElementTable) / |
| sizeof(html40ElementTable[0]));i++) { |
| if (!xmlStrcasecmp(tag, BAD_CAST html40ElementTable[i].name)) |
| return((htmlElemDescPtr) &html40ElementTable[i]); |
| } |
| return(NULL); |
| } |
| |
| /** |
| * htmlGetEndPriority: |
| * @name: The name of the element to look up the priority for. |
| * |
| * Return value: The "endtag" priority. |
| **/ |
| static int |
| htmlGetEndPriority (const xmlChar *name) { |
| int i = 0; |
| |
| while ((htmlEndPriority[i].name != NULL) && |
| (!xmlStrEqual((const xmlChar *)htmlEndPriority[i].name, name))) |
| i++; |
| |
| return(htmlEndPriority[i].priority); |
| } |
| |
| |
| /** |
| * htmlCheckAutoClose: |
| * @newtag: The new tag name |
| * @oldtag: The old tag name |
| * |
| * Checks whether the new tag is one of the registered valid tags for |
| * closing old. |
| * Initialize the htmlStartCloseIndex for fast lookup of closing tags names. |
| * |
| * Returns 0 if no, 1 if yes. |
| */ |
| static int |
| htmlCheckAutoClose(const xmlChar * newtag, const xmlChar * oldtag) |
| { |
| int i, indx; |
| const char **closed = NULL; |
| |
| if (htmlStartCloseIndexinitialized == 0) |
| htmlInitAutoClose(); |
| |
| /* inefficient, but not a big deal */ |
| for (indx = 0; indx < 100; indx++) { |
| closed = htmlStartCloseIndex[indx]; |
| if (closed == NULL) |
| return (0); |
| if (xmlStrEqual(BAD_CAST * closed, newtag)) |
| break; |
| } |
| |
| i = closed - htmlStartClose; |
| i++; |
| while (htmlStartClose[i] != NULL) { |
| if (xmlStrEqual(BAD_CAST htmlStartClose[i], oldtag)) { |
| return (1); |
| } |
| i++; |
| } |
| return (0); |
| } |
| |
| /** |
| * htmlAutoCloseOnClose: |
| * @ctxt: an HTML parser context |
| * @newtag: The new tag name |
| * @force: force the tag closure |
| * |
| * The HTML DTD allows an ending tag to implicitly close other tags. |
| */ |
| static void |
| htmlAutoCloseOnClose(htmlParserCtxtPtr ctxt, const xmlChar * newtag) |
| { |
| const htmlElemDesc *info; |
| int i, priority; |
| |
| priority = htmlGetEndPriority(newtag); |
| |
| for (i = (ctxt->nameNr - 1); i >= 0; i--) { |
| |
| if (xmlStrEqual(newtag, ctxt->nameTab[i])) |
| break; |
| /* |
| * A misplaced endtag can only close elements with lower |
| * or equal priority, so if we find an element with higher |
| * priority before we find an element with |
| * matching name, we just ignore this endtag |
| */ |
| if (htmlGetEndPriority(ctxt->nameTab[i]) > priority) |
| return; |
| } |
| if (i < 0) |
| return; |
| |
| while (!xmlStrEqual(newtag, ctxt->name)) { |
| info = htmlTagLookup(ctxt->name); |
| if ((info != NULL) && (info->endTag == 3)) { |
| htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH, |
| "Opening and ending tag mismatch: %s and %s\n", |
| newtag, ctxt->name); |
| } |
| if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| ctxt->sax->endElement(ctxt->userData, ctxt->name); |
| htmlnamePop(ctxt); |
| } |
| } |
| |
| /** |
| * htmlAutoCloseOnEnd: |
| * @ctxt: an HTML parser context |
| * |
| * Close all remaining tags at the end of the stream |
| */ |
| static void |
| htmlAutoCloseOnEnd(htmlParserCtxtPtr ctxt) |
| { |
| int i; |
| |
| if (ctxt->nameNr == 0) |
| return; |
| for (i = (ctxt->nameNr - 1); i >= 0; i--) { |
| if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| ctxt->sax->endElement(ctxt->userData, ctxt->name); |
| htmlnamePop(ctxt); |
| } |
| } |
| |
| /** |
| * htmlAutoClose: |
| * @ctxt: an HTML parser context |
| * @newtag: The new tag name or NULL |
| * |
| * The HTML DTD allows a tag to implicitly close other tags. |
| * The list is kept in htmlStartClose array. This function is |
| * called when a new tag has been detected and generates the |
| * appropriates closes if possible/needed. |
| * If newtag is NULL this mean we are at the end of the resource |
| * and we should check |
| */ |
| static void |
| htmlAutoClose(htmlParserCtxtPtr ctxt, const xmlChar * newtag) |
| { |
| while ((newtag != NULL) && (ctxt->name != NULL) && |
| (htmlCheckAutoClose(newtag, ctxt->name))) { |
| if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| ctxt->sax->endElement(ctxt->userData, ctxt->name); |
| htmlnamePop(ctxt); |
| } |
| if (newtag == NULL) { |
| htmlAutoCloseOnEnd(ctxt); |
| return; |
| } |
| while ((newtag == NULL) && (ctxt->name != NULL) && |
| ((xmlStrEqual(ctxt->name, BAD_CAST "head")) || |
| (xmlStrEqual(ctxt->name, BAD_CAST "body")) || |
| (xmlStrEqual(ctxt->name, BAD_CAST "html")))) { |
| if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| ctxt->sax->endElement(ctxt->userData, ctxt->name); |
| htmlnamePop(ctxt); |
| } |
| } |
| |
| /** |
| * htmlAutoCloseTag: |
| * @doc: the HTML document |
| * @name: The tag name |
| * @elem: the HTML element |
| * |
| * The HTML DTD allows a tag to implicitly close other tags. |
| * The list is kept in htmlStartClose array. This function checks |
| * if the element or one of it's children would autoclose the |
| * given tag. |
| * |
| * Returns 1 if autoclose, 0 otherwise |
| */ |
| int |
| htmlAutoCloseTag(htmlDocPtr doc, const xmlChar *name, htmlNodePtr elem) { |
| htmlNodePtr child; |
| |
| if (elem == NULL) return(1); |
| if (xmlStrEqual(name, elem->name)) return(0); |
| if (htmlCheckAutoClose(elem->name, name)) return(1); |
| child = elem->children; |
| while (child != NULL) { |
| if (htmlAutoCloseTag(doc, name, child)) return(1); |
| child = child->next; |
| } |
| return(0); |
| } |
| |
| /** |
| * htmlIsAutoClosed: |
| * @doc: the HTML document |
| * @elem: the HTML element |
| * |
| * The HTML DTD allows a tag to implicitly close other tags. |
| * The list is kept in htmlStartClose array. This function checks |
| * if a tag is autoclosed by one of it's child |
| * |
| * Returns 1 if autoclosed, 0 otherwise |
| */ |
| int |
| htmlIsAutoClosed(htmlDocPtr doc, htmlNodePtr elem) { |
| htmlNodePtr child; |
| |
| if (elem == NULL) return(1); |
| child = elem->children; |
| while (child != NULL) { |
| if (htmlAutoCloseTag(doc, elem->name, child)) return(1); |
| child = child->next; |
| } |
| return(0); |
| } |
| |
| /** |
| * htmlCheckImplied: |
| * @ctxt: an HTML parser context |
| * @newtag: The new tag name |
| * |
| * The HTML DTD allows a tag to exists only implicitly |
| * called when a new tag has been detected and generates the |
| * appropriates implicit tags if missing |
| */ |
| static void |
| htmlCheckImplied(htmlParserCtxtPtr ctxt, const xmlChar *newtag) { |
| int i; |
| |
| if (ctxt->options & HTML_PARSE_NOIMPLIED) |
| return; |
| if (!htmlOmittedDefaultValue) |
| return; |
| if (xmlStrEqual(newtag, BAD_CAST"html")) |
| return; |
| if (ctxt->nameNr <= 0) { |
| htmlnamePush(ctxt, BAD_CAST"html"); |
| if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| ctxt->sax->startElement(ctxt->userData, BAD_CAST"html", NULL); |
| } |
| if ((xmlStrEqual(newtag, BAD_CAST"body")) || (xmlStrEqual(newtag, BAD_CAST"head"))) |
| return; |
| if ((ctxt->nameNr <= 1) && |
| ((xmlStrEqual(newtag, BAD_CAST"script")) || |
| (xmlStrEqual(newtag, BAD_CAST"style")) || |
| (xmlStrEqual(newtag, BAD_CAST"meta")) || |
| (xmlStrEqual(newtag, BAD_CAST"link")) || |
| (xmlStrEqual(newtag, BAD_CAST"title")) || |
| (xmlStrEqual(newtag, BAD_CAST"base")))) { |
| if (ctxt->html >= 3) { |
| /* we already saw or generated an <head> before */ |
| return; |
| } |
| /* |
| * dropped OBJECT ... i you put it first BODY will be |
| * assumed ! |
| */ |
| htmlnamePush(ctxt, BAD_CAST"head"); |
| if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| ctxt->sax->startElement(ctxt->userData, BAD_CAST"head", NULL); |
| } else if ((!xmlStrEqual(newtag, BAD_CAST"noframes")) && |
| (!xmlStrEqual(newtag, BAD_CAST"frame")) && |
| (!xmlStrEqual(newtag, BAD_CAST"frameset"))) { |
| if (ctxt->html >= 10) { |
| /* we already saw or generated a <body> before */ |
| return; |
| } |
| for (i = 0;i < ctxt->nameNr;i++) { |
| if (xmlStrEqual(ctxt->nameTab[i], BAD_CAST"body")) { |
| return; |
| } |
| if (xmlStrEqual(ctxt->nameTab[i], BAD_CAST"head")) { |
| return; |
| } |
| } |
| |
| htmlnamePush(ctxt, BAD_CAST"body"); |
| if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| ctxt->sax->startElement(ctxt->userData, BAD_CAST"body", NULL); |
| } |
| } |
| |
| /** |
| * htmlCheckParagraph |
| * @ctxt: an HTML parser context |
| * |
| * Check whether a p element need to be implied before inserting |
| * characters in the current element. |
| * |
| * Returns 1 if a paragraph has been inserted, 0 if not and -1 |
| * in case of error. |
| */ |
| |
| static int |
| htmlCheckParagraph(htmlParserCtxtPtr ctxt) { |
| const xmlChar *tag; |
| int i; |
| |
| if (ctxt == NULL) |
| return(-1); |
| tag = ctxt->name; |
| if (tag == NULL) { |
| #if defined(STARBOARD) |
| if (!htmlEmitImpliedRootLevelParagraphValue) |
| return(0); |
| #endif // defined(STARBOARD) |
| htmlAutoClose(ctxt, BAD_CAST"p"); |
| htmlCheckImplied(ctxt, BAD_CAST"p"); |
| htmlnamePush(ctxt, BAD_CAST"p"); |
| if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| ctxt->sax->startElement(ctxt->userData, BAD_CAST"p", NULL); |
| return(1); |
| } |
| if (!htmlOmittedDefaultValue) |
| return(0); |
| for (i = 0; htmlNoContentElements[i] != NULL; i++) { |
| if (xmlStrEqual(tag, BAD_CAST htmlNoContentElements[i])) { |
| htmlAutoClose(ctxt, BAD_CAST"p"); |
| htmlCheckImplied(ctxt, BAD_CAST"p"); |
| htmlnamePush(ctxt, BAD_CAST"p"); |
| if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| ctxt->sax->startElement(ctxt->userData, BAD_CAST"p", NULL); |
| return(1); |
| } |
| } |
| return(0); |
| } |
| |
| /** |
| * htmlIsScriptAttribute: |
| * @name: an attribute name |
| * |
| * Check if an attribute is of content type Script |
| * |
| * Returns 1 is the attribute is a script 0 otherwise |
| */ |
| int |
| htmlIsScriptAttribute(const xmlChar *name) { |
| unsigned int i; |
| |
| if (name == NULL) |
| return(0); |
| /* |
| * all script attributes start with 'on' |
| */ |
| if ((name[0] != 'o') || (name[1] != 'n')) |
| return(0); |
| for (i = 0; |
| i < sizeof(htmlScriptAttributes)/sizeof(htmlScriptAttributes[0]); |
| i++) { |
| if (xmlStrEqual(name, (const xmlChar *) htmlScriptAttributes[i])) |
| return(1); |
| } |
| return(0); |
| } |
| |
| /************************************************************************ |
| * * |
| * The list of HTML predefined entities * |
| * * |
| ************************************************************************/ |
| |
| |
| static const htmlEntityDesc html40EntitiesTable[] = { |
| /* |
| * the 4 absolute ones, plus apostrophe. |
| */ |
| { 34, "quot", "quotation mark = APL quote, U+0022 ISOnum" }, |
| { 38, "amp", "ampersand, U+0026 ISOnum" }, |
| { 39, "apos", "single quote" }, |
| { 60, "lt", "less-than sign, U+003C ISOnum" }, |
| { 62, "gt", "greater-than sign, U+003E ISOnum" }, |
| |
| /* |
| * A bunch still in the 128-255 range |
| * Replacing them depend really on the charset used. |
| */ |
| { 160, "nbsp", "no-break space = non-breaking space, U+00A0 ISOnum" }, |
| { 161, "iexcl","inverted exclamation mark, U+00A1 ISOnum" }, |
| { 162, "cent", "cent sign, U+00A2 ISOnum" }, |
| { 163, "pound","pound sign, U+00A3 ISOnum" }, |
| { 164, "curren","currency sign, U+00A4 ISOnum" }, |
| { 165, "yen", "yen sign = yuan sign, U+00A5 ISOnum" }, |
| { 166, "brvbar","broken bar = broken vertical bar, U+00A6 ISOnum" }, |
| { 167, "sect", "section sign, U+00A7 ISOnum" }, |
| { 168, "uml", "diaeresis = spacing diaeresis, U+00A8 ISOdia" }, |
| { 169, "copy", "copyright sign, U+00A9 ISOnum" }, |
| { 170, "ordf", "feminine ordinal indicator, U+00AA ISOnum" }, |
| { 171, "laquo","left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum" }, |
| { 172, "not", "not sign, U+00AC ISOnum" }, |
| { 173, "shy", "soft hyphen = discretionary hyphen, U+00AD ISOnum" }, |
| { 174, "reg", "registered sign = registered trade mark sign, U+00AE ISOnum" }, |
| { 175, "macr", "macron = spacing macron = overline = APL overbar, U+00AF ISOdia" }, |
| { 176, "deg", "degree sign, U+00B0 ISOnum" }, |
| { 177, "plusmn","plus-minus sign = plus-or-minus sign, U+00B1 ISOnum" }, |
| { 178, "sup2", "superscript two = superscript digit two = squared, U+00B2 ISOnum" }, |
| { 179, "sup3", "superscript three = superscript digit three = cubed, U+00B3 ISOnum" }, |
| { 180, "acute","acute accent = spacing acute, U+00B4 ISOdia" }, |
| { 181, "micro","micro sign, U+00B5 ISOnum" }, |
| { 182, "para", "pilcrow sign = paragraph sign, U+00B6 ISOnum" }, |
| { 183, "middot","middle dot = Georgian comma Greek middle dot, U+00B7 ISOnum" }, |
| { 184, "cedil","cedilla = spacing cedilla, U+00B8 ISOdia" }, |
| { 185, "sup1", "superscript one = superscript digit one, U+00B9 ISOnum" }, |
| { 186, "ordm", "masculine ordinal indicator, U+00BA ISOnum" }, |
| { 187, "raquo","right-pointing double angle quotation mark right pointing guillemet, U+00BB ISOnum" }, |
| { 188, "frac14","vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum" }, |
| { 189, "frac12","vulgar fraction one half = fraction one half, U+00BD ISOnum" }, |
| { 190, "frac34","vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum" }, |
| { 191, "iquest","inverted question mark = turned question mark, U+00BF ISOnum" }, |
| { 192, "Agrave","latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1" }, |
| { 193, "Aacute","latin capital letter A with acute, U+00C1 ISOlat1" }, |
| { 194, "Acirc","latin capital letter A with circumflex, U+00C2 ISOlat1" }, |
| { 195, "Atilde","latin capital letter A with tilde, U+00C3 ISOlat1" }, |
| { 196, "Auml", "latin capital letter A with diaeresis, U+00C4 ISOlat1" }, |
| { 197, "Aring","latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1" }, |
| { 198, "AElig","latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1" }, |
| { 199, "Ccedil","latin capital letter C with cedilla, U+00C7 ISOlat1" }, |
| { 200, "Egrave","latin capital letter E with grave, U+00C8 ISOlat1" }, |
| { 201, "Eacute","latin capital letter E with acute, U+00C9 ISOlat1" }, |
| { 202, "Ecirc","latin capital letter E with circumflex, U+00CA ISOlat1" }, |
| { 203, "Euml", "latin capital letter E with diaeresis, U+00CB ISOlat1" }, |
| { 204, "Igrave","latin capital letter I with grave, U+00CC ISOlat1" }, |
| { 205, "Iacute","latin capital letter I with acute, U+00CD ISOlat1" }, |
| { 206, "Icirc","latin capital letter I with circumflex, U+00CE ISOlat1" }, |
| { 207, "Iuml", "latin capital letter I with diaeresis, U+00CF ISOlat1" }, |
| { 208, "ETH", "latin capital letter ETH, U+00D0 ISOlat1" }, |
| { 209, "Ntilde","latin capital letter N with tilde, U+00D1 ISOlat1" }, |
| { 210, "Ograve","latin capital letter O with grave, U+00D2 ISOlat1" }, |
| { 211, "Oacute","latin capital letter O with acute, U+00D3 ISOlat1" }, |
| { 212, "Ocirc","latin capital letter O with circumflex, U+00D4 ISOlat1" }, |
| { 213, "Otilde","latin capital letter O with tilde, U+00D5 ISOlat1" }, |
| { 214, "Ouml", "latin capital letter O with diaeresis, U+00D6 ISOlat1" }, |
| { 215, "times","multiplication sign, U+00D7 ISOnum" }, |
| { 216, "Oslash","latin capital letter O with stroke latin capital letter O slash, U+00D8 ISOlat1" }, |
| { 217, "Ugrave","latin capital letter U with grave, U+00D9 ISOlat1" }, |
| { 218, "Uacute","latin capital letter U with acute, U+00DA ISOlat1" }, |
| { 219, "Ucirc","latin capital letter U with circumflex, U+00DB ISOlat1" }, |
| { 220, "Uuml", "latin capital letter U with diaeresis, U+00DC ISOlat1" }, |
| { 221, "Yacute","latin capital letter Y with acute, U+00DD ISOlat1" }, |
| { 222, "THORN","latin capital letter THORN, U+00DE ISOlat1" }, |
| { 223, "szlig","latin small letter sharp s = ess-zed, U+00DF ISOlat1" }, |
| { 224, "agrave","latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1" }, |
| { 225, "aacute","latin small letter a with acute, U+00E1 ISOlat1" }, |
| { 226, "acirc","latin small letter a with circumflex, U+00E2 ISOlat1" }, |
| { 227, "atilde","latin small letter a with tilde, U+00E3 ISOlat1" }, |
| { 228, "auml", "latin small letter a with diaeresis, U+00E4 ISOlat1" }, |
| { 229, "aring","latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1" }, |
| { 230, "aelig","latin small letter ae = latin small ligature ae, U+00E6 ISOlat1" }, |
| { 231, "ccedil","latin small letter c with cedilla, U+00E7 ISOlat1" }, |
| { 232, "egrave","latin small letter e with grave, U+00E8 ISOlat1" }, |
| { 233, "eacute","latin small letter e with acute, U+00E9 ISOlat1" }, |
| { 234, "ecirc","latin small letter e with circumflex, U+00EA ISOlat1" }, |
| { 235, "euml", "latin small letter e with diaeresis, U+00EB ISOlat1" }, |
| { 236, "igrave","latin small letter i with grave, U+00EC ISOlat1" }, |
| { 237, "iacute","latin small letter i with acute, U+00ED ISOlat1" }, |
| { 238, "icirc","latin small letter i with circumflex, U+00EE ISOlat1" }, |
| { 239, "iuml", "latin small letter i with diaeresis, U+00EF ISOlat1" }, |
| { 240, "eth", "latin small letter eth, U+00F0 ISOlat1" }, |
| { 241, "ntilde","latin small letter n with tilde, U+00F1 ISOlat1" }, |
| { 242, "ograve","latin small letter o with grave, U+00F2 ISOlat1" }, |
| { 243, "oacute","latin small letter o with acute, U+00F3 ISOlat1" }, |
| { 244, "ocirc","latin small letter o with circumflex, U+00F4 ISOlat1" }, |
| { 245, "otilde","latin small letter o with tilde, U+00F5 ISOlat1" }, |
| { 246, "ouml", "latin small letter o with diaeresis, U+00F6 ISOlat1" }, |
| { 247, "divide","division sign, U+00F7 ISOnum" }, |
| { 248, "oslash","latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1" }, |
| { 249, "ugrave","latin small letter u with grave, U+00F9 ISOlat1" }, |
| { 250, "uacute","latin small letter u with acute, U+00FA ISOlat1" }, |
| { 251, "ucirc","latin small letter u with circumflex, U+00FB ISOlat1" }, |
| { 252, "uuml", "latin small letter u with diaeresis, U+00FC ISOlat1" }, |
| { 253, "yacute","latin small letter y with acute, U+00FD ISOlat1" }, |
| { 254, "thorn","latin small letter thorn with, U+00FE ISOlat1" }, |
| { 255, "yuml", "latin small letter y with diaeresis, U+00FF ISOlat1" }, |
| |
| { 338, "OElig","latin capital ligature OE, U+0152 ISOlat2" }, |
| { 339, "oelig","latin small ligature oe, U+0153 ISOlat2" }, |
| { 352, "Scaron","latin capital letter S with caron, U+0160 ISOlat2" }, |
| { 353, "scaron","latin small letter s with caron, U+0161 ISOlat2" }, |
| { 376, "Yuml", "latin capital letter Y with diaeresis, U+0178 ISOlat2" }, |
| |
| /* |
| * Anything below should really be kept as entities references |
| */ |
| { 402, "fnof", "latin small f with hook = function = florin, U+0192 ISOtech" }, |
| |
| { 710, "circ", "modifier letter circumflex accent, U+02C6 ISOpub" }, |
| { 732, "tilde","small tilde, U+02DC ISOdia" }, |
| |
| { 913, "Alpha","greek capital letter alpha, U+0391" }, |
| { 914, "Beta", "greek capital letter beta, U+0392" }, |
| { 915, "Gamma","greek capital letter gamma, U+0393 ISOgrk3" }, |
| { 916, "Delta","greek capital letter delta, U+0394 ISOgrk3" }, |
| { 917, "Epsilon","greek capital letter epsilon, U+0395" }, |
| { 918, "Zeta", "greek capital letter zeta, U+0396" }, |
| { 919, "Eta", "greek capital letter eta, U+0397" }, |
| { 920, "Theta","greek capital letter theta, U+0398 ISOgrk3" }, |
| { 921, "Iota", "greek capital letter iota, U+0399" }, |
| { 922, "Kappa","greek capital letter kappa, U+039A" }, |
| { 923, "Lambda", "greek capital letter lambda, U+039B ISOgrk3" }, |
| { 924, "Mu", "greek capital letter mu, U+039C" }, |
| { 925, "Nu", "greek capital letter nu, U+039D" }, |
| { 926, "Xi", "greek capital letter xi, U+039E ISOgrk3" }, |
| { 927, "Omicron","greek capital letter omicron, U+039F" }, |
| { 928, "Pi", "greek capital letter pi, U+03A0 ISOgrk3" }, |
| { 929, "Rho", "greek capital letter rho, U+03A1" }, |
| { 931, "Sigma","greek capital letter sigma, U+03A3 ISOgrk3" }, |
| { 932, "Tau", "greek capital letter tau, U+03A4" }, |
| { 933, "Upsilon","greek capital letter upsilon, U+03A5 ISOgrk3" }, |
| { 934, "Phi", "greek capital letter phi, U+03A6 ISOgrk3" }, |
| { 935, "Chi", "greek capital letter chi, U+03A7" }, |
| { 936, "Psi", "greek capital letter psi, U+03A8 ISOgrk3" }, |
| { 937, "Omega","greek capital letter omega, U+03A9 ISOgrk3" }, |
| |
| { 945, "alpha","greek small letter alpha, U+03B1 ISOgrk3" }, |
| { 946, "beta", "greek small letter beta, U+03B2 ISOgrk3" }, |
| { 947, "gamma","greek small letter gamma, U+03B3 ISOgrk3" }, |
| { 948, "delta","greek small letter delta, U+03B4 ISOgrk3" }, |
| { 949, "epsilon","greek small letter epsilon, U+03B5 ISOgrk3" }, |
| { 950, "zeta", "greek small letter zeta, U+03B6 ISOgrk3" }, |
| { 951, "eta", "greek small letter eta, U+03B7 ISOgrk3" }, |
| { 952, "theta","greek small letter theta, U+03B8 ISOgrk3" }, |
| { 953, "iota", "greek small letter iota, U+03B9 ISOgrk3" }, |
| { 954, "kappa","greek small letter kappa, U+03BA ISOgrk3" }, |
| { 955, "lambda","greek small letter lambda, U+03BB ISOgrk3" }, |
| { 956, "mu", "greek small letter mu, U+03BC ISOgrk3" }, |
| { 957, "nu", "greek small letter nu, U+03BD ISOgrk3" }, |
| { 958, "xi", "greek small letter xi, U+03BE ISOgrk3" }, |
| { 959, "omicron","greek small letter omicron, U+03BF NEW" }, |
| { 960, "pi", "greek small letter pi, U+03C0 ISOgrk3" }, |
| { 961, "rho", "greek small letter rho, U+03C1 ISOgrk3" }, |
| { 962, "sigmaf","greek small letter final sigma, U+03C2 ISOgrk3" }, |
| { 963, "sigma","greek small letter sigma, U+03C3 ISOgrk3" }, |
| { 964, "tau", "greek small letter tau, U+03C4 ISOgrk3" }, |
| { 965, "upsilon","greek small letter upsilon, U+03C5 ISOgrk3" }, |
| { 966, "phi", "greek small letter phi, U+03C6 ISOgrk3" }, |
| { 967, "chi", "greek small letter chi, U+03C7 ISOgrk3" }, |
| { 968, "psi", "greek small letter psi, U+03C8 ISOgrk3" }, |
| { 969, "omega","greek small letter omega, U+03C9 ISOgrk3" }, |
| { 977, "thetasym","greek small letter theta symbol, U+03D1 NEW" }, |
| { 978, "upsih","greek upsilon with hook symbol, U+03D2 NEW" }, |
| { 982, "piv", "greek pi symbol, U+03D6 ISOgrk3" }, |
| |
| { 8194, "ensp", "en space, U+2002 ISOpub" }, |
| { 8195, "emsp", "em space, U+2003 ISOpub" }, |
| { 8201, "thinsp","thin space, U+2009 ISOpub" }, |
| { 8204, "zwnj", "zero width non-joiner, U+200C NEW RFC 2070" }, |
| { 8205, "zwj", "zero width joiner, U+200D NEW RFC 2070" }, |
| { 8206, "lrm", "left-to-right mark, U+200E NEW RFC 2070" }, |
| { 8207, "rlm", "right-to-left mark, U+200F NEW RFC 2070" }, |
| { 8211, "ndash","en dash, U+2013 ISOpub" }, |
| { 8212, "mdash","em dash, U+2014 ISOpub" }, |
| { 8216, "lsquo","left single quotation mark, U+2018 ISOnum" }, |
| { 8217, "rsquo","right single quotation mark, U+2019 ISOnum" }, |
| { 8218, "sbquo","single low-9 quotation mark, U+201A NEW" }, |
| { 8220, "ldquo","left double quotation mark, U+201C ISOnum" }, |
| { 8221, "rdquo","right double quotation mark, U+201D ISOnum" }, |
| { 8222, "bdquo","double low-9 quotation mark, U+201E NEW" }, |
| { 8224, "dagger","dagger, U+2020 ISOpub" }, |
| { 8225, "Dagger","double dagger, U+2021 ISOpub" }, |
| |
| { 8226, "bull", "bullet = black small circle, U+2022 ISOpub" }, |
| { 8230, "hellip","horizontal ellipsis = three dot leader, U+2026 ISOpub" }, |
| |
| { 8240, "permil","per mille sign, U+2030 ISOtech" }, |
| |
| { 8242, "prime","prime = minutes = feet, U+2032 ISOtech" }, |
| { 8243, "Prime","double prime = seconds = inches, U+2033 ISOtech" }, |
| |
| { 8249, "lsaquo","single left-pointing angle quotation mark, U+2039 ISO proposed" }, |
| { 8250, "rsaquo","single right-pointing angle quotation mark, U+203A ISO proposed" }, |
| |
| { 8254, "oline","overline = spacing overscore, U+203E NEW" }, |
| { 8260, "frasl","fraction slash, U+2044 NEW" }, |
| |
| { 8364, "euro", "euro sign, U+20AC NEW" }, |
| |
| { 8465, "image","blackletter capital I = imaginary part, U+2111 ISOamso" }, |
| { 8472, "weierp","script capital P = power set = Weierstrass p, U+2118 ISOamso" }, |
| { 8476, "real", "blackletter capital R = real part symbol, U+211C ISOamso" }, |
| { 8482, "trade","trade mark sign, U+2122 ISOnum" }, |
| { 8501, "alefsym","alef symbol = first transfinite cardinal, U+2135 NEW" }, |
| { 8592, "larr", "leftwards arrow, U+2190 ISOnum" }, |
| { 8593, "uarr", "upwards arrow, U+2191 ISOnum" }, |
| { 8594, "rarr", "rightwards arrow, U+2192 ISOnum" }, |
| { 8595, "darr", "downwards arrow, U+2193 ISOnum" }, |
| { 8596, "harr", "left right arrow, U+2194 ISOamsa" }, |
| { 8629, "crarr","downwards arrow with corner leftwards = carriage return, U+21B5 NEW" }, |
| { 8656, "lArr", "leftwards double arrow, U+21D0 ISOtech" }, |
| { 8657, "uArr", "upwards double arrow, U+21D1 ISOamsa" }, |
| { 8658, "rArr", "rightwards double arrow, U+21D2 ISOtech" }, |
| { 8659, "dArr", "downwards double arrow, U+21D3 ISOamsa" }, |
| { 8660, "hArr", "left right double arrow, U+21D4 ISOamsa" }, |
| |
| { 8704, "forall","for all, U+2200 ISOtech" }, |
| { 8706, "part", "partial differential, U+2202 ISOtech" }, |
| { 8707, "exist","there exists, U+2203 ISOtech" }, |
| { 8709, "empty","empty set = null set = diameter, U+2205 ISOamso" }, |
| { 8711, "nabla","nabla = backward difference, U+2207 ISOtech" }, |
| { 8712, "isin", "element of, U+2208 ISOtech" }, |
| { 8713, "notin","not an element of, U+2209 ISOtech" }, |
| { 8715, "ni", "contains as member, U+220B ISOtech" }, |
| { 8719, "prod", "n-ary product = product sign, U+220F ISOamsb" }, |
| { 8721, "sum", "n-ary summation, U+2211 ISOamsb" }, |
| { 8722, "minus","minus sign, U+2212 ISOtech" }, |
| { 8727, "lowast","asterisk operator, U+2217 ISOtech" }, |
| { 8730, "radic","square root = radical sign, U+221A ISOtech" }, |
| { 8733, "prop", "proportional to, U+221D ISOtech" }, |
| { 8734, "infin","infinity, U+221E ISOtech" }, |
| { 8736, "ang", "angle, U+2220 ISOamso" }, |
| { 8743, "and", "logical and = wedge, U+2227 ISOtech" }, |
| { 8744, "or", "logical or = vee, U+2228 ISOtech" }, |
| { 8745, "cap", "intersection = cap, U+2229 ISOtech" }, |
| { 8746, "cup", "union = cup, U+222A ISOtech" }, |
| { 8747, "int", "integral, U+222B ISOtech" }, |
| { 8756, "there4","therefore, U+2234 ISOtech" }, |
| { 8764, "sim", "tilde operator = varies with = similar to, U+223C ISOtech" }, |
| { 8773, "cong", "approximately equal to, U+2245 ISOtech" }, |
| { 8776, "asymp","almost equal to = asymptotic to, U+2248 ISOamsr" }, |
| { 8800, "ne", "not equal to, U+2260 ISOtech" }, |
| { 8801, "equiv","identical to, U+2261 ISOtech" }, |
| { 8804, "le", "less-than or equal to, U+2264 ISOtech" }, |
| { 8805, "ge", "greater-than or equal to, U+2265 ISOtech" }, |
| { 8834, "sub", "subset of, U+2282 ISOtech" }, |
| { 8835, "sup", "superset of, U+2283 ISOtech" }, |
| { 8836, "nsub", "not a subset of, U+2284 ISOamsn" }, |
| { 8838, "sube", "subset of or equal to, U+2286 ISOtech" }, |
| { 8839, "supe", "superset of or equal to, U+2287 ISOtech" }, |
| { 8853, "oplus","circled plus = direct sum, U+2295 ISOamsb" }, |
| { 8855, "otimes","circled times = vector product, U+2297 ISOamsb" }, |
| { 8869, "perp", "up tack = orthogonal to = perpendicular, U+22A5 ISOtech" }, |
| { 8901, "sdot", "dot operator, U+22C5 ISOamsb" }, |
| { 8968, "lceil","left ceiling = apl upstile, U+2308 ISOamsc" }, |
| { 8969, "rceil","right ceiling, U+2309 ISOamsc" }, |
| { 8970, "lfloor","left floor = apl downstile, U+230A ISOamsc" }, |
| { 8971, "rfloor","right floor, U+230B ISOamsc" }, |
| { 9001, "lang", "left-pointing angle bracket = bra, U+2329 ISOtech" }, |
| { 9002, "rang", "right-pointing angle bracket = ket, U+232A ISOtech" }, |
| { 9674, "loz", "lozenge, U+25CA ISOpub" }, |
| |
| { 9824, "spades","black spade suit, U+2660 ISOpub" }, |
| { 9827, "clubs","black club suit = shamrock, U+2663 ISOpub" }, |
| { 9829, "hearts","black heart suit = valentine, U+2665 ISOpub" }, |
| { 9830, "diams","black diamond suit, U+2666 ISOpub" }, |
| |
| }; |
| |
| /************************************************************************ |
| * * |
| * Commodity functions to handle entities * |
| * * |
| ************************************************************************/ |
| |
| /* |
| * Macro used to grow the current buffer. |
| */ |
| #define growBuffer(buffer) { \ |
| xmlChar *tmp; \ |
| buffer##_size *= 2; \ |
| tmp = (xmlChar *) xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \ |
| if (tmp == NULL) { \ |
| htmlErrMemory(ctxt, "growing buffer\n"); \ |
| xmlFree(buffer); \ |
| return(NULL); \ |
| } \ |
| buffer = tmp; \ |
| } |
| |
| /** |
| * htmlEntityLookup: |
| * @name: the entity name |
| * |
| * Lookup the given entity in EntitiesTable |
| * |
| * TODO: the linear scan is really ugly, an hash table is really needed. |
| * |
| * Returns the associated htmlEntityDescPtr if found, NULL otherwise. |
| */ |
| const htmlEntityDesc * |
| htmlEntityLookup(const xmlChar *name) { |
| unsigned int i; |
| |
| for (i = 0;i < (sizeof(html40EntitiesTable)/ |
| sizeof(html40EntitiesTable[0]));i++) { |
| if (xmlStrEqual(name, BAD_CAST html40EntitiesTable[i].name)) { |
| return((htmlEntityDescPtr) &html40EntitiesTable[i]); |
| } |
| } |
| return(NULL); |
| } |
| |
| /** |
| * htmlEntityValueLookup: |
| * @value: the entity's unicode value |
| * |
| * Lookup the given entity in EntitiesTable |
| * |
| * TODO: the linear scan is really ugly, an hash table is really needed. |
| * |
| * Returns the associated htmlEntityDescPtr if found, NULL otherwise. |
| */ |
| const htmlEntityDesc * |
| htmlEntityValueLookup(unsigned int value) { |
| unsigned int i; |
| |
| for (i = 0;i < (sizeof(html40EntitiesTable)/ |
| sizeof(html40EntitiesTable[0]));i++) { |
| if (html40EntitiesTable[i].value >= value) { |
| if (html40EntitiesTable[i].value > value) |
| break; |
| return((htmlEntityDescPtr) &html40EntitiesTable[i]); |
| } |
| } |
| return(NULL); |
| } |
| |
| /** |
| * UTF8ToHtml: |
| * @out: a pointer to an array of bytes to store the result |
| * @outlen: the length of @out |
| * @in: a pointer to an array of UTF-8 chars |
| * @inlen: the length of @in |
| * |
| * Take a block of UTF-8 chars in and try to convert it to an ASCII |
| * plus HTML entities block of chars out. |
| * |
| * Returns 0 if success, -2 if the transcoding fails, or -1 otherwise |
| * The value of @inlen after return is the number of octets consumed |
| * as the return value is positive, else unpredictable. |
| * The value of @outlen after return is the number of octets consumed. |
| */ |
| int |
| UTF8ToHtml(unsigned char* out, int *outlen, |
| const unsigned char* in, int *inlen) { |
| const unsigned char* processed = in; |
| const unsigned char* outend; |
| const unsigned char* outstart = out; |
| const unsigned char* instart = in; |
| const unsigned char* inend; |
| unsigned int c, d; |
| int trailing; |
| |
| if ((out == NULL) || (outlen == NULL) || (inlen == NULL)) return(-1); |
| if (in == NULL) { |
| /* |
| * initialization nothing to do |
| */ |
| *outlen = 0; |
| *inlen = 0; |
| return(0); |
| } |
| inend = in + (*inlen); |
| outend = out + (*outlen); |
| while (in < inend) { |
| d = *in++; |
| if (d < 0x80) { c= d; trailing= 0; } |
| else if (d < 0xC0) { |
| /* trailing byte in leading position */ |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(-2); |
| } else if (d < 0xE0) { c= d & 0x1F; trailing= 1; } |
| else if (d < 0xF0) { c= d & 0x0F; trailing= 2; } |
| else if (d < 0xF8) { c= d & 0x07; trailing= 3; } |
| else { |
| /* no chance for this in Ascii */ |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(-2); |
| } |
| |
| if (inend - in < trailing) { |
| break; |
| } |
| |
| for ( ; trailing; trailing--) { |
| if ((in >= inend) || (((d= *in++) & 0xC0) != 0x80)) |
| break; |
| c <<= 6; |
| c |= d & 0x3F; |
| } |
| |
| /* assertion: c is a single UTF-4 value */ |
| if (c < 0x80) { |
| if (out + 1 >= outend) |
| break; |
| *out++ = c; |
| } else { |
| int len; |
| const htmlEntityDesc * ent; |
| const char *cp; |
| char nbuf[16]; |
| |
| /* |
| * Try to lookup a predefined HTML entity for it |
| */ |
| |
| ent = htmlEntityValueLookup(c); |
| if (ent == NULL) { |
| snprintf(nbuf, sizeof(nbuf), "#%u", c); |
| cp = nbuf; |
| } |
| else |
| cp = ent->name; |
| len = strlen(cp); |
| if (out + 2 + len >= outend) |
| break; |
| *out++ = '&'; |
| memcpy(out, cp, len); |
| out += len; |
| *out++ = ';'; |
| } |
| processed = in; |
| } |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(0); |
| } |
| |
| /** |
| * htmlEncodeEntities: |
| * @out: a pointer to an array of bytes to store the result |
| * @outlen: the length of @out |
| * @in: a pointer to an array of UTF-8 chars |
| * @inlen: the length of @in |
| * @quoteChar: the quote character to escape (' or ") or zero. |
| * |
| * Take a block of UTF-8 chars in and try to convert it to an ASCII |
| * plus HTML entities block of chars out. |
| * |
| * Returns 0 if success, -2 if the transcoding fails, or -1 otherwise |
| * The value of @inlen after return is the number of octets consumed |
| * as the return value is positive, else unpredictable. |
| * The value of @outlen after return is the number of octets consumed. |
| */ |
| int |
| htmlEncodeEntities(unsigned char* out, int *outlen, |
| const unsigned char* in, int *inlen, int quoteChar) { |
| const unsigned char* processed = in; |
| const unsigned char* outend; |
| const unsigned char* outstart = out; |
| const unsigned char* instart = in; |
| const unsigned char* inend; |
| unsigned int c, d; |
| int trailing; |
| |
| if ((out == NULL) || (outlen == NULL) || (inlen == NULL) || (in == NULL)) |
| return(-1); |
| outend = out + (*outlen); |
| inend = in + (*inlen); |
| while (in < inend) { |
| d = *in++; |
| if (d < 0x80) { c= d; trailing= 0; } |
| else if (d < 0xC0) { |
| /* trailing byte in leading position */ |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(-2); |
| } else if (d < 0xE0) { c= d & 0x1F; trailing= 1; } |
| else if (d < 0xF0) { c= d & 0x0F; trailing= 2; } |
| else if (d < 0xF8) { c= d & 0x07; trailing= 3; } |
| else { |
| /* no chance for this in Ascii */ |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(-2); |
| } |
| |
| if (inend - in < trailing) |
| break; |
| |
| while (trailing--) { |
| if (((d= *in++) & 0xC0) != 0x80) { |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(-2); |
| } |
| c <<= 6; |
| c |= d & 0x3F; |
| } |
| |
| /* assertion: c is a single UTF-4 value */ |
| if ((c < 0x80) && (c != (unsigned int) quoteChar) && |
| (c != '&') && (c != '<') && (c != '>')) { |
| if (out >= outend) |
| break; |
| *out++ = c; |
| } else { |
| const htmlEntityDesc * ent; |
| const char *cp; |
| char nbuf[16]; |
| int len; |
| |
| /* |
| * Try to lookup a predefined HTML entity for it |
| */ |
| ent = htmlEntityValueLookup(c); |
| if (ent == NULL) { |
| snprintf(nbuf, sizeof(nbuf), "#%u", c); |
| cp = nbuf; |
| } |
| else |
| cp = ent->name; |
| len = strlen(cp); |
| if (out + 2 + len > outend) |
| break; |
| *out++ = '&'; |
| memcpy(out, cp, len); |
| out += len; |
| *out++ = ';'; |
| } |
| processed = in; |
| } |
| *outlen = out - outstart; |
| *inlen = processed - instart; |
| return(0); |
| } |
| |
| /************************************************************************ |
| * * |
| * Commodity functions to handle streams * |
| * * |
| ************************************************************************/ |
| |
| #ifdef LIBXML_PUSH_ENABLED |
| /** |
| * htmlNewInputStream: |
| * @ctxt: an HTML parser context |
| * |
| * Create a new input stream structure |
| * Returns the new input stream or NULL |
| */ |
| static htmlParserInputPtr |
| htmlNewInputStream(htmlParserCtxtPtr ctxt) { |
| htmlParserInputPtr input; |
| |
| input = (xmlParserInputPtr) xmlMalloc(sizeof(htmlParserInput)); |
| if (input == NULL) { |
| htmlErrMemory(ctxt, "couldn't allocate a new input stream\n"); |
| return(NULL); |
| } |
| memset(input, 0, sizeof(htmlParserInput)); |
| input->filename = NULL; |
| input->directory = NULL; |
| input->base = NULL; |
| input->cur = NULL; |
| input->buf = NULL; |
| input->line = 1; |
| input->col = 1; |
| input->buf = NULL; |
| input->free = NULL; |
| input->version = NULL; |
| input->consumed = 0; |
| input->length = 0; |
| return(input); |
| } |
| #endif |
| |
| |
| /************************************************************************ |
| * * |
| * Commodity functions, cleanup needed ? * |
| * * |
| ************************************************************************/ |
| /* |
| * all tags allowing pc data from the html 4.01 loose dtd |
| * NOTE: it might be more appropriate to integrate this information |
| * into the html40ElementTable array but I don't want to risk any |
| * binary incompatibility |
| */ |
| static const char *allowPCData[] = { |
| "a", "abbr", "acronym", "address", "applet", "b", "bdo", "big", |
| "blockquote", "body", "button", "caption", "center", "cite", "code", |
| "dd", "del", "dfn", "div", "dt", "em", "font", "form", "h1", "h2", |
| "h3", "h4", "h5", "h6", "i", "iframe", "ins", "kbd", "label", "legend", |
| "li", "noframes", "noscript", "object", "p", "pre", "q", "s", "samp", |
| "small", "span", "strike", "strong", "td", "th", "tt", "u", "var" |
| }; |
| |
| /** |
| * areBlanks: |
| * @ctxt: an HTML parser context |
| * @str: a xmlChar * |
| * @len: the size of @str |
| * |
| * Is this a sequence of blank chars that one can ignore ? |
| * |
| * Returns 1 if ignorable 0 otherwise. |
| */ |
| |
| static int areBlanks(htmlParserCtxtPtr ctxt, const xmlChar *str, int len) { |
| unsigned int i; |
| int j; |
| xmlNodePtr lastChild; |
| xmlDtdPtr dtd; |
| |
| for (j = 0;j < len;j++) |
| if (!(IS_BLANK_CH(str[j]))) return(0); |
| |
| if (CUR == 0) return(1); |
| if (CUR != '<') return(0); |
| if (ctxt->name == NULL) |
| return(1); |
| if (xmlStrEqual(ctxt->name, BAD_CAST"html")) |
| return(1); |
| if (xmlStrEqual(ctxt->name, BAD_CAST"head")) |
| return(1); |
| |
| /* Only strip CDATA children of the body tag for strict HTML DTDs */ |
| if (xmlStrEqual(ctxt->name, BAD_CAST "body") && ctxt->myDoc != NULL) { |
| dtd = xmlGetIntSubset(ctxt->myDoc); |
| if (dtd != NULL && dtd->ExternalID != NULL) { |
| if (!xmlStrcasecmp(dtd->ExternalID, BAD_CAST "-//W3C//DTD HTML 4.01//EN") || |
| !xmlStrcasecmp(dtd->ExternalID, BAD_CAST "-//W3C//DTD HTML 4//EN")) |
| return(1); |
| } |
| } |
| |
| if (ctxt->node == NULL) return(0); |
| lastChild = xmlGetLastChild(ctxt->node); |
| while ((lastChild) && (lastChild->type == XML_COMMENT_NODE)) |
| lastChild = lastChild->prev; |
| if (lastChild == NULL) { |
| if ((ctxt->node->type != XML_ELEMENT_NODE) && |
| (ctxt->node->content != NULL)) return(0); |
| /* keep ws in constructs like ...<b> </b>... |
| for all tags "b" allowing PCDATA */ |
| for ( i = 0; i < sizeof(allowPCData)/sizeof(allowPCData[0]); i++ ) { |
| if ( xmlStrEqual(ctxt->name, BAD_CAST allowPCData[i]) ) { |
| return(0); |
| } |
| } |
| } else if (xmlNodeIsText(lastChild)) { |
| return(0); |
| } else { |
| /* keep ws in constructs like <p><b>xy</b> <i>z</i><p> |
| for all tags "p" allowing PCDATA */ |
| for ( i = 0; i < sizeof(allowPCData)/sizeof(allowPCData[0]); i++ ) { |
| if ( xmlStrEqual(lastChild->name, BAD_CAST allowPCData[i]) ) { |
| return(0); |
| } |
| } |
| } |
| return(1); |
| } |
| |
| /** |
| * htmlNewDocNoDtD: |
| * @URI: URI for the dtd, or NULL |
| * @ExternalID: the external ID of the DTD, or NULL |
| * |
| * Creates a new HTML document without a DTD node if @URI and @ExternalID |
| * are NULL |
| * |
| * Returns a new document, do not initialize the DTD if not provided |
| */ |
| htmlDocPtr |
| htmlNewDocNoDtD(const xmlChar *URI, const xmlChar *ExternalID) { |
| xmlDocPtr cur; |
| |
| /* |
| * Allocate a new document and fill the fields. |
| */ |
| cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc)); |
| if (cur == NULL) { |
| htmlErrMemory(NULL, "HTML document creation failed\n"); |
| return(NULL); |
| } |
| memset(cur, 0, sizeof(xmlDoc)); |
| |
| cur->type = XML_HTML_DOCUMENT_NODE; |
| cur->version = NULL; |
| cur->intSubset = NULL; |
| cur->doc = cur; |
| cur->name = NULL; |
| cur->children = NULL; |
| cur->extSubset = NULL; |
| cur->oldNs = NULL; |
| cur->encoding = NULL; |
| cur->standalone = 1; |
| cur->compression = 0; |
| cur->ids = NULL; |
| cur->refs = NULL; |
| cur->_private = NULL; |
| cur->charset = XML_CHAR_ENCODING_UTF8; |
| cur->properties = XML_DOC_HTML | XML_DOC_USERBUILT; |
| if ((ExternalID != NULL) || |
| (URI != NULL)) |
| xmlCreateIntSubset(cur, BAD_CAST "html", ExternalID, URI); |
| return(cur); |
| } |
| |
| /** |
| * htmlNewDoc: |
| * @URI: URI for the dtd, or NULL |
| * @ExternalID: the external ID of the DTD, or NULL |
| * |
| * Creates a new HTML document |
| * |
| * Returns a new document |
| */ |
| htmlDocPtr |
| htmlNewDoc(const xmlChar *URI, const xmlChar *ExternalID) { |
| if ((URI == NULL) && (ExternalID == NULL)) |
| return(htmlNewDocNoDtD( |
| BAD_CAST "http://www.w3.org/TR/REC-html40/loose.dtd", |
| BAD_CAST "-//W3C//DTD HTML 4.0 Transitional//EN")); |
| |
| return(htmlNewDocNoDtD(URI, ExternalID)); |
| } |
| |
| |
| /************************************************************************ |
| * * |
| * The parser itself * |
| * Relates to http://www.w3.org/TR/html40 * |
| * * |
| ************************************************************************/ |
| |
| /************************************************************************ |
| * * |
| * The parser itself * |
| * * |
| ************************************************************************/ |
| |
| static const xmlChar * htmlParseNameComplex(xmlParserCtxtPtr ctxt); |
| |
| /** |
| * htmlParseHTMLName: |
| * @ctxt: an HTML parser context |
| * |
| * parse an HTML tag or attribute name, note that we convert it to lowercase |
| * since HTML names are not case-sensitive. |
| * |
| * Returns the Tag Name parsed or NULL |
| */ |
| |
| static const xmlChar * |
| htmlParseHTMLName(htmlParserCtxtPtr ctxt) { |
| int i = 0; |
| xmlChar loc[HTML_PARSER_BUFFER_SIZE]; |
| |
| if (!IS_ASCII_LETTER(CUR) && (CUR != '_') && |
| (CUR != ':') && (CUR != '.')) return(NULL); |
| |
| while ((i < HTML_PARSER_BUFFER_SIZE) && |
| ((IS_ASCII_LETTER(CUR)) || (IS_ASCII_DIGIT(CUR)) || |
| (CUR == ':') || (CUR == '-') || (CUR == '_') || |
| (CUR == '.'))) { |
| if ((CUR >= 'A') && (CUR <= 'Z')) loc[i] = CUR + 0x20; |
| else loc[i] = CUR; |
| i++; |
| |
| NEXT; |
| } |
| |
| return(xmlDictLookup(ctxt->dict, loc, i)); |
| } |
| |
| |
| /** |
| * htmlParseHTMLName_nonInvasive: |
| * @ctxt: an HTML parser context |
| * |
| * parse an HTML tag or attribute name, note that we convert it to lowercase |
| * since HTML names are not case-sensitive, this doesn't consume the data |
| * from the stream, it's a look-ahead |
| * |
| * Returns the Tag Name parsed or NULL |
| */ |
| |
| static const xmlChar * |
| htmlParseHTMLName_nonInvasive(htmlParserCtxtPtr ctxt) { |
| int i = 0; |
| xmlChar loc[HTML_PARSER_BUFFER_SIZE]; |
| |
| if (!IS_ASCII_LETTER(NXT(1)) && (NXT(1) != '_') && |
| (NXT(1) != ':')) return(NULL); |
| |
| while ((i < HTML_PARSER_BUFFER_SIZE) && |
| ((IS_ASCII_LETTER(NXT(1+i))) || (IS_ASCII_DIGIT(NXT(1+i))) || |
| (NXT(1+i) == ':') || (NXT(1+i) == '-') || (NXT(1+i) == '_'))) { |
| if ((NXT(1+i) >= 'A') && (NXT(1+i) <= 'Z')) loc[i] = NXT(1+i) + 0x20; |
| else loc[i] = NXT(1+i); |
| i++; |
| } |
| |
| return(xmlDictLookup(ctxt->dict, loc, i)); |
| } |
| |
| |
| /** |
| * htmlParseName: |
| * @ctxt: an HTML parser context |
| * |
| * parse an HTML name, this routine is case sensitive. |
| * |
| * Returns the Name parsed or NULL |
| */ |
| |
| static const xmlChar * |
| htmlParseName(htmlParserCtxtPtr ctxt) { |
| const xmlChar *in; |
| const xmlChar *ret; |
| int count = 0; |
| |
| GROW; |
| |
| /* |
| * Accelerator for simple ASCII names |
| */ |
| in = ctxt->input->cur; |
| if (((*in >= 0x61) && (*in <= 0x7A)) || |
| ((*in >= 0x41) && (*in <= 0x5A)) || |
| (*in == '_') || (*in == ':')) { |
| in++; |
| while (((*in >= 0x61) && (*in <= 0x7A)) || |
| ((*in >= 0x41) && (*in <= 0x5A)) || |
| ((*in >= 0x30) && (*in <= 0x39)) || |
| (*in == '_') || (*in == '-') || |
| (*in == ':') || (*in == '.')) |
| in++; |
|