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Extracts evaluator preprocessor and refactor text extraction

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This commit is contained in:
Yury Delendik 2014-01-17 07:16:52 -06:00
parent 455265474a
commit 09f8f951c8
4 changed files with 289 additions and 264 deletions
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33
test/unit/evaluator_spec.js
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@ -35,11 +35,11 @@ describe('evaluator', function() {
var evaluator = new PartialEvaluator(new PdfManagerMock(),
new XrefMock(), new HandlerMock(),
'prefix');
var stream = new StringStream('qTT');
var stream = new StringStream('fTT');
var result = evaluator.getOperatorList(stream, new ResourcesMock());
expect(!!result.fnArray && !!result.argsArray).toEqual(true);
expect(result.fnArray.length).toEqual(1);
expect(result.fnArray[0]).toEqual(OPS.save);
expect(result.fnArray[0]).toEqual(OPS.fill);
expect(result.argsArray[0].length).toEqual(0);
});
@ -72,13 +72,13 @@ describe('evaluator', function() {
var evaluator = new PartialEvaluator(new PdfManagerMock(),
new XrefMock(), new HandlerMock(),
'prefix');
var stream = new StringStream('qqq');
var stream = new StringStream('fff');
var result = evaluator.getOperatorList(stream, new ResourcesMock());
expect(!!result.fnArray && !!result.argsArray).toEqual(true);
expect(result.fnArray.length).toEqual(3);
expect(result.fnArray[0]).toEqual(OPS.save);
expect(result.fnArray[1]).toEqual(OPS.save);
expect(result.fnArray[2]).toEqual(OPS.save);
expect(result.fnArray[0]).toEqual(OPS.fill);
expect(result.fnArray[1]).toEqual(OPS.fill);
expect(result.fnArray[2]).toEqual(OPS.fill);
});
it('should handle three glued operations #2', function() {
@ -100,11 +100,11 @@ describe('evaluator', function() {
var evaluator = new PartialEvaluator(new PdfManagerMock(),
new XrefMock(), new HandlerMock(),
'prefix');
var stream = new StringStream('q5 Ts');
var stream = new StringStream('f5 Ts');
var result = evaluator.getOperatorList(stream, new ResourcesMock());
expect(!!result.fnArray && !!result.argsArray).toEqual(true);
expect(result.fnArray.length).toEqual(2);
expect(result.fnArray[0]).toEqual(OPS.save);
expect(result.fnArray[0]).toEqual(OPS.fill);
expect(result.fnArray[1]).toEqual(OPS.setTextRise);
expect(result.argsArray.length).toEqual(2);
expect(result.argsArray[1].length).toEqual(1);
@ -115,13 +115,13 @@ describe('evaluator', function() {
var evaluator = new PartialEvaluator(new PdfManagerMock(),
new XrefMock(), new HandlerMock(),
'prefix');
var stream = new StringStream('trueifalserinullq');
var stream = new StringStream('trueifalserinullh');
var result = evaluator.getOperatorList(stream, new ResourcesMock());
expect(!!result.fnArray && !!result.argsArray).toEqual(true);
expect(result.fnArray.length).toEqual(3);
expect(result.fnArray[0]).toEqual(OPS.setFlatness);
expect(result.fnArray[1]).toEqual(OPS.setRenderingIntent);
expect(result.fnArray[2]).toEqual(OPS.save);
expect(result.fnArray[2]).toEqual(OPS.closePath);
expect(result.argsArray.length).toEqual(3);
expect(result.argsArray[0].length).toEqual(1);
expect(result.argsArray[0][0]).toEqual(true);
@ -163,6 +163,19 @@ describe('evaluator', function() {
expect(result.argsArray).toEqual([]);
expect(result.fnArray).toEqual([]);
});
it('should close opened saves', function() {
var evaluator = new PartialEvaluator(new PdfManagerMock(),
new XrefMock(), new HandlerMock(),
'prefix');
var stream = new StringStream('qq');
var result = evaluator.getOperatorList(stream, new ResourcesMock());
expect(!!result.fnArray && !!result.argsArray).toEqual(true);
expect(result.fnArray.length).toEqual(4);
expect(result.fnArray[0]).toEqual(OPS.save);
expect(result.fnArray[1]).toEqual(OPS.save);
expect(result.fnArray[2]).toEqual(OPS.restore);
expect(result.fnArray[3]).toEqual(OPS.restore);
});
});
});