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Merge new API and text search.

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This commit is contained in:
Brendan Dahl 2012-04-20 16:49:08 -07:00
commit 92d0d1d694
9 changed files with 1786 additions and 23 deletions
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70
src/evaluator.js
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@ -153,8 +153,9 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
font = xref.fetchIfRef(font) || fontRes.get(fontName);
assertWellFormed(isDict(font));
++self.objIdCounter;
if (!font.translated) {
if (!font.loadedName) {
++self.objIdCounter;
font.translated = self.translateFont(font, xref, resources,
dependency);
if (font.translated) {
@ -474,6 +475,71 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
return queue;
},
getTextContent: function partialEvaluatorGetIRQueue(stream, resources) {
var self = this;
var xref = this.xref;
function handleSetFont(fontName, fontRef) {
var fontRes = resources.get('Font');
// TODO: TOASK: Is it possible to get here? If so, what does
// args[0].name should be like???
assert(fontRes, 'fontRes not available');
fontRes = xref.fetchIfRef(fontRes);
fontRef = fontRef || fontRes.get(fontName);
var font = xref.fetchIfRef(fontRef), tra;
assertWellFormed(isDict(font));
if (!font.translated) {
font.translated = self.translateFont(font, xref, resources);
}
return font;
}
resources = xref.fetchIfRef(resources) || new Dict();
var parser = new Parser(new Lexer(stream), false);
var res = resources;
var args = [], obj;
var text = '';
var font = null;
while (!isEOF(obj = parser.getObj())) {
if (isCmd(obj)) {
var cmd = obj.cmd;
switch (cmd) {
case 'Tf':
font = handleSetFont(args[0].name);
break;
case 'TJ':
var items = args[0];
for (var j = 0, jj = items.length; j < jj; j++) {
if (typeof items[j] === 'string') {
text += fontCharsToUnicode(items[j],
font.translated.properties);
} else if (items[j] < 0) {
// making all negative offsets a space - better to have
// a space in incorrect place than not have them at all
text += ' ';
}
}
break;
case 'Tj':
text += fontCharsToUnicode(args[0], font.translated.properties);
break;
} // switch
args = [];
} else if (obj != null) {
assertWellFormed(args.length <= 33, 'Too many arguments');
args.push(obj);
}
}
return text;
},
extractDataStructures: function
partialEvaluatorExtractDataStructures(dict, baseDict,
xref, properties) {