blob: b3a7be90a2710da09d33d0fe371bebda3fdebed7 [file] [log] [blame]
'use strict';
exports.__esModule = true;
exports.SourceLocation = SourceLocation;
exports.id = id;
exports.stripFlags = stripFlags;
exports.stripComment = stripComment;
exports.preparePath = preparePath;
exports.prepareMustache = prepareMustache;
exports.prepareRawBlock = prepareRawBlock;
exports.prepareBlock = prepareBlock;
exports.prepareProgram = prepareProgram;
exports.preparePartialBlock = preparePartialBlock;
// istanbul ignore next
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
var _exception = require('../exception');
var _exception2 = _interopRequireDefault(_exception);
function validateClose(open, close) {
close = close.path ? close.path.original : close;
if (open.path.original !== close) {
var errorNode = { loc: open.path.loc };
throw new _exception2['default'](open.path.original + " doesn't match " + close, errorNode);
}
}
function SourceLocation(source, locInfo) {
this.source = source;
this.start = {
line: locInfo.first_line,
column: locInfo.first_column
};
this.end = {
line: locInfo.last_line,
column: locInfo.last_column
};
}
function id(token) {
if (/^\[.*\]$/.test(token)) {
return token.substring(1, token.length - 1);
} else {
return token;
}
}
function stripFlags(open, close) {
return {
open: open.charAt(2) === '~',
close: close.charAt(close.length - 3) === '~'
};
}
function stripComment(comment) {
return comment.replace(/^\{\{~?!-?-?/, '').replace(/-?-?~?\}\}$/, '');
}
function preparePath(data, parts, loc) {
loc = this.locInfo(loc);
var original = data ? '@' : '',
dig = [],
depth = 0;
for (var i = 0, l = parts.length; i < l; i++) {
var part = parts[i].part,
// If we have [] syntax then we do not treat path references as operators,
// i.e. foo.[this] resolves to approximately context.foo['this']
isLiteral = parts[i].original !== part;
original += (parts[i].separator || '') + part;
if (!isLiteral && (part === '..' || part === '.' || part === 'this')) {
if (dig.length > 0) {
throw new _exception2['default']('Invalid path: ' + original, { loc: loc });
} else if (part === '..') {
depth++;
}
} else {
dig.push(part);
}
}
return {
type: 'PathExpression',
data: data,
depth: depth,
parts: dig,
original: original,
loc: loc
};
}
function prepareMustache(path, params, hash, open, strip, locInfo) {
// Must use charAt to support IE pre-10
var escapeFlag = open.charAt(3) || open.charAt(2),
escaped = escapeFlag !== '{' && escapeFlag !== '&';
var decorator = /\*/.test(open);
return {
type: decorator ? 'Decorator' : 'MustacheStatement',
path: path,
params: params,
hash: hash,
escaped: escaped,
strip: strip,
loc: this.locInfo(locInfo)
};
}
function prepareRawBlock(openRawBlock, contents, close, locInfo) {
validateClose(openRawBlock, close);
locInfo = this.locInfo(locInfo);
var program = {
type: 'Program',
body: contents,
strip: {},
loc: locInfo
};
return {
type: 'BlockStatement',
path: openRawBlock.path,
params: openRawBlock.params,
hash: openRawBlock.hash,
program: program,
openStrip: {},
inverseStrip: {},
closeStrip: {},
loc: locInfo
};
}
function prepareBlock(openBlock, program, inverseAndProgram, close, inverted, locInfo) {
if (close && close.path) {
validateClose(openBlock, close);
}
var decorator = /\*/.test(openBlock.open);
program.blockParams = openBlock.blockParams;
var inverse = undefined,
inverseStrip = undefined;
if (inverseAndProgram) {
if (decorator) {
throw new _exception2['default']('Unexpected inverse block on decorator', inverseAndProgram);
}
if (inverseAndProgram.chain) {
inverseAndProgram.program.body[0].closeStrip = close.strip;
}
inverseStrip = inverseAndProgram.strip;
inverse = inverseAndProgram.program;
}
if (inverted) {
inverted = inverse;
inverse = program;
program = inverted;
}
return {
type: decorator ? 'DecoratorBlock' : 'BlockStatement',
path: openBlock.path,
params: openBlock.params,
hash: openBlock.hash,
program: program,
inverse: inverse,
openStrip: openBlock.strip,
inverseStrip: inverseStrip,
closeStrip: close && close.strip,
loc: this.locInfo(locInfo)
};
}
function prepareProgram(statements, loc) {
if (!loc && statements.length) {
var firstLoc = statements[0].loc,
lastLoc = statements[statements.length - 1].loc;
/* istanbul ignore else */
if (firstLoc && lastLoc) {
loc = {
source: firstLoc.source,
start: {
line: firstLoc.start.line,
column: firstLoc.start.column
},
end: {
line: lastLoc.end.line,
column: lastLoc.end.column
}
};
}
}
return {
type: 'Program',
body: statements,
strip: {},
loc: loc
};
}
function preparePartialBlock(open, program, close, locInfo) {
validateClose(open, close);
return {
type: 'PartialBlockStatement',
name: open.path,
params: open.params,
hash: open.hash,
program: program,
openStrip: open.strip,
closeStrip: close && close.strip,
loc: this.locInfo(locInfo)
};
}
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Exception from '../exception';\n\nfunction validateClose(open, close) {\n  close = close.path ? close.path.original : close;\n\n  if (open.path.original !== close) {\n    let errorNode = {loc: open.path.loc};\n\n    throw new Exception(open.path.original + \" doesn't match \" + close, errorNode);\n  }\n}\n\nexport function SourceLocation(source, locInfo) {\n  this.source = source;\n  this.start = {\n    line: locInfo.first_line,\n    column: locInfo.first_column\n  };\n  this.end = {\n    line: locInfo.last_line,\n    column: locInfo.last_column\n  };\n}\n\nexport function id(token) {\n  if (/^\\[.*\\]$/.test(token)) {\n    return token.substring(1, token.length - 1);\n  } else {\n    return token;\n  }\n}\n\nexport function stripFlags(open, close) {\n  return {\n    open: open.charAt(2) === '~',\n    close: close.charAt(close.length - 3) === '~'\n  };\n}\n\nexport function stripComment(comment) {\n  return comment.replace(/^\\{\\{~?!-?-?/, '')\n                .replace(/-?-?~?\\}\\}$/, '');\n}\n\nexport function preparePath(data, parts, loc) {\n  loc = this.locInfo(loc);\n\n  let original = data ? '@' : '',\n      dig = [],\n      depth = 0;\n\n  for (let i = 0, l = parts.length; i < l; i++) {\n    let part = parts[i].part,\n        // If we have [] syntax then we do not treat path references as operators,\n        // i.e. foo.[this] resolves to approximately context.foo['this']\n        isLiteral = parts[i].original !== part;\n    original += (parts[i].separator || '') + part;\n\n    if (!isLiteral && (part === '..' || part === '.' || part === 'this')) {\n      if (dig.length > 0) {\n        throw new Exception('Invalid path: ' + original, {loc});\n      } else if (part === '..') {\n        depth++;\n      }\n    } else {\n      dig.push(part);\n    }\n  }\n\n  return {\n    type: 'PathExpression',\n    data,\n    depth,\n    parts: dig,\n    original,\n    loc\n  };\n}\n\nexport function prepareMustache(path, params, hash, open, strip, locInfo) {\n  // Must use charAt to support IE pre-10\n  let escapeFlag = open.charAt(3) || open.charAt(2),\n      escaped = escapeFlag !== '{' && escapeFlag !== '&';\n\n  let decorator = (/\\*/.test(open));\n  return {\n    type: decorator ? 'Decorator' : 'MustacheStatement',\n    path,\n    params,\n    hash,\n    escaped,\n    strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n\nexport function prepareRawBlock(openRawBlock, contents, close, locInfo) {\n  validateClose(openRawBlock, close);\n\n  locInfo = this.locInfo(locInfo);\n  let program = {\n    type: 'Program',\n    body: contents,\n    strip: {},\n    loc: locInfo\n  };\n\n  return {\n    type: 'BlockStatement',\n    path: openRawBlock.path,\n    params: openRawBlock.params,\n    hash: openRawBlock.hash,\n    program,\n    openStrip: {},\n    inverseStrip: {},\n    closeStrip: {},\n    loc: locInfo\n  };\n}\n\nexport function prepareBlock(openBlock, program, inverseAndProgram, close, inverted, locInfo) {\n  if (close && close.path) {\n    validateClose(openBlock, close);\n  }\n\n  let decorator = (/\\*/.test(openBlock.open));\n\n  program.blockParams = openBlock.blockParams;\n\n  let inverse,\n      inverseStrip;\n\n  if (inverseAndProgram) {\n    if (decorator) {\n      throw new Exception('Unexpected inverse block on decorator', inverseAndProgram);\n    }\n\n    if (inverseAndProgram.chain) {\n      inverseAndProgram.program.body[0].closeStrip = close.strip;\n    }\n\n    inverseStrip = inverseAndProgram.strip;\n    inverse = inverseAndProgram.program;\n  }\n\n  if (inverted) {\n    inverted = inverse;\n    inverse = program;\n    program = inverted;\n  }\n\n  return {\n    type: decorator ? 'DecoratorBlock' : 'BlockStatement',\n    path: openBlock.path,\n    params: openBlock.params,\n    hash: openBlock.hash,\n    program,\n    inverse,\n    openStrip: openBlock.strip,\n    inverseStrip,\n    closeStrip: close && close.strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n\nexport function prepareProgram(statements, loc) {\n  if (!loc && statements.length) {\n    const firstLoc = statements[0].loc,\n          lastLoc = statements[statements.length - 1].loc;\n\n    /* istanbul ignore else */\n    if (firstLoc && lastLoc) {\n      loc = {\n        source: firstLoc.source,\n        start: {\n          line: firstLoc.start.line,\n          column: firstLoc.start.column\n        },\n        end: {\n          line: lastLoc.end.line,\n          column: lastLoc.end.column\n        }\n      };\n    }\n  }\n\n  return {\n    type: 'Program',\n    body: statements,\n    strip: {},\n    loc: loc\n  };\n}\n\n\nexport function preparePartialBlock(open, program, close, locInfo) {\n  validateClose(open, close);\n\n  return {\n    type: 'PartialBlockStatement',\n    name: open.path,\n    params: open.params,\n    hash: open.hash,\n    program,\n    openStrip: open.strip,\n    closeStrip: close && close.strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n\n"]}