Package org.apache.xmlgraphics.ps.dsc.events

Examples of org.apache.xmlgraphics.ps.dsc.events.DSCComment

128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
                //Write original comment that ends the header comments
                event.generate(gen);
                break;
            }
            if (event.isDSCComment()) {
                DSCComment comment = event.asDSCComment();
                if (DSCConstants.LANGUAGE_LEVEL.equals(comment.getName())) {
                    DSCCommentLanguageLevel level = (DSCCommentLanguageLevel)comment;
                    gen.setPSLevel(level.getLanguageLevel());
                }
            }
            event.generate(gen);
        }
       
        //Skip to the FOPFontSetup
        PostScriptComment fontSetupPlaceholder = parser.nextPSComment("FOPFontSetup", gen);
        if (fontSetupPlaceholder == null) {
            throw new DSCException("Didn't find %FOPFontSetup comment in stream");
        }
        PSFontUtils.writeFontDict(gen, fontInfo, fontInfo.getUsedFonts());
        generateForms(resTracker, userAgent, formResources, gen);

        //Skip the prolog and to the first page
        DSCComment pageOrTrailer = parser.nextDSCComment(DSCConstants.PAGE, gen);
        if (pageOrTrailer == null) {
            throw new DSCException("Page expected, but none found");
        }
       
        //Process individual pages (and skip as necessary)
        while (true) {
            DSCCommentPage page = (DSCCommentPage)pageOrTrailer;
            page.generate(gen);
            pageOrTrailer = DSCTools.nextPageOrTrailer(parser, gen);
            if (pageOrTrailer == null) {
                reportInvalidDSC();
            } else if (!DSCConstants.PAGE.equals(pageOrTrailer.getName())) {
                pageOrTrailer.generate(gen);
                break;
            }
        }
       
        //Write the rest
View Full Code Here
163
164
165
166
167
168
169
170
171
172
173
174
175
176
        }
        return parseDSCComment(name, value);
    }

    private DSCComment parseDSCComment(String name, String value) {
        DSCComment parsed = DSCCommentFactory.createDSCCommentFor(name);
        if (parsed != null) {
            try {
                parsed.parseValue(value);
                return parsed;
            } catch (Exception e) {
                //ignore and fall back to unparsed DSC comment
            }
        }
View Full Code Here
297
298
299
300
301
302
303
304
305
306
307
308
        if (line != null) {
            if (eofFound && (line.length() > 0)) {
                throw new DSCException("Content found after EOF");
            }
            if (line.startsWith("%%")) {
                DSCComment comment = parseDSCLine(line);
                if (comment.getEventType() == EOF && isCheckEOF()) {
                    this.eofFound = true;
                }
                this.nextEvent = comment;
            } else if (line.startsWith("%!")) {
                this.nextEvent = new DSCHeaderComment(line.substring(2));
View Full Code Here
352
353
354
355
356
357
358
359
360
361
362
363
    public DSCComment nextDSCComment(String name, PSGenerator gen)
                throws IOException, DSCException {
        while (hasNext()) {
            DSCEvent event = nextEvent();
            if (event.isDSCComment()) {
                DSCComment comment = event.asDSCComment();
                if (name.equals(comment.getName())) {
                    return comment;
                }
            }
            if (gen != null) {
                event.generate(gen); //Pipe through to PSGenerator
View Full Code Here
47
48
49
50
51
52
53
54
55
56
57
58
     *              by the given event
     */
    public static boolean headerCommentsEndHere(DSCEvent event) {
        switch (event.getEventType()) {
        case DSC_COMMENT:
            DSCComment comment = event.asDSCComment();
            return (comment.getName().equals(DSCConstants.END_COMMENTS));
        case COMMENT:
            String s = ((PostScriptComment)event).getComment();
            if (s == null || s.length() == 0) {
                return true;
            } else {
View Full Code Here
101
102
103
104
105
106
107
108
109
110
111
112
113
114
    public static DSCComment nextPageOrTrailer(DSCParser parser, PSGenerator gen)
                throws IOException, DSCException {
        while (parser.hasNext()) {
            DSCEvent event = parser.nextEvent();
            if (event.getEventType() == DSC_COMMENT) {
                DSCComment comment = event.asDSCComment();
                if (DSCConstants.PAGE.equals(comment.getName())) {
                    return comment;
                } else if (DSCConstants.TRAILER.equals(comment.getName())) {
                    return comment;
                }
            } else if (event.getEventType() == EOF) {
                //The Trailer may be missing
                return event.asDSCComment();
View Full Code Here
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
                }
            }
        });

        //Skip the prolog and to the first page
        DSCComment pageOrTrailer = parser.nextDSCComment(DSCConstants.PAGE, gen);
        if (pageOrTrailer == null) {
            throw new DSCException("Page expected, but none found");
        }
        parser.setFilter(null); //Remove filter

        //Process individual pages (and skip as necessary)
        while (true) {
            DSCCommentPage page = (DSCCommentPage)pageOrTrailer;
            boolean validPage = (page.getPagePosition() >= from && page.getPagePosition() <= to);
            if (validPage) {
                page.setPagePosition(page.getPagePosition() - from + 1);
                page.generate(gen);
                pageCount++;
            }
            pageOrTrailer = DSCTools.nextPageOrTrailer(parser, (validPage ? gen : null));
            if (pageOrTrailer == null) {
                throw new DSCException("File is not DSC-compliant: Unexpected end of file");
            } else if (!DSCConstants.PAGE.equals(pageOrTrailer.getName())) {
                pageOrTrailer.generate(gen);
                break;
            }
        }

        //Write the rest
View Full Code Here
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
    /**
     * @see org.apache.xmlgraphics.ps.dsc.NestedDocumentHandler#handle(org.apache.xmlgraphics.ps.dsc.events.DSCEvent, org.apache.xmlgraphics.ps.dsc.DSCParser)
     */
    public void handle(DSCEvent event, DSCParser parser) throws IOException, DSCException {
        if (event.isDSCComment()) {
            DSCComment comment = event.asDSCComment();
            if (DSCConstants.BEGIN_DOCUMENT.equals(comment.getName())) {
                comment.generate(gen);
                parser.setCheckEOF(false);
                comment = parser.nextDSCComment(DSCConstants.END_DOCUMENT, gen);
                if (comment == null) {
                    throw new DSCException("File is not DSC-compliant: Didn't find an "
                            + DSCConstants.END_DOCUMENT);
                }
                comment.generate(gen);
                parser.setCheckEOF(true);
                parser.next();
            } else if (DSCConstants.BEGIN_DATA.equals(comment.getName())) {
                comment.generate(gen);
                parser.setCheckEOF(false);
                comment = parser.nextDSCComment(DSCConstants.END_DATA, gen);
                if (comment == null) {
                    throw new DSCException("File is not DSC-compliant: Didn't find an "
                            + DSCConstants.END_DATA);
                }
                comment.generate(gen);
                parser.setCheckEOF(true);
                parser.next();
            }
        }
    }
View Full Code Here
155
156
157
158
159
160
161
162
163
164
165
166
167
168
        }
        return parseDSCComment(name, value);
    }

    private DSCComment parseDSCComment(String name, String value) {
        DSCComment parsed = DSCCommentFactory.createDSCCommentFor(name);
        if (parsed != null) {
            try {
                parsed.parseValue(value);
                return parsed;
            } catch (Exception e) {
                //ignore and fall back to unparsed DSC comment
            }
        }
View Full Code Here
273
274
275
276
277
278
279
280
281
282
283
284
        if (line != null) {
            if (eofFound && (line.length() > 0)) {
                throw new DSCException("Content found after EOF");
            }
            if (line.startsWith("%%")) {
                DSCComment comment = parseDSCLine(line);
                if (comment.getEventType() == EOF && isCheckEOF()) {
                    this.eofFound = true;
                }
                this.nextEvent = comment;
            } else if (line.startsWith("%!")) {
                this.nextEvent = new DSCHeaderComment(line.substring(2));
View Full Code Here
TOP

Related Classes of org.apache.xmlgraphics.ps.dsc.events.DSCComment

  • org.apache.fop.render.ps.AbstractPostScriptTest
  • org.apache.fop.render.ps.AbstractPostScriptTestCase
  • org.apache.fop.render.ps.ResourceHandler
  • org.apache.xmlgraphics.image.loader.impl.PreloaderEPS
  • org.apache.xmlgraphics.ps.dsc.DefaultNestedDocumentHandler
  • org.apache.xmlgraphics.ps.dsc.DSCParser
  • org.apache.xmlgraphics.ps.dsc.ListenerTestCase
  • org.apache.xmlgraphics.ps.dsc.tools.DSCTools
  • org.apache.xmlgraphics.ps.dsc.tools.PageExtractor
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.