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Code Issues Releases Wiki Activity

Pages json: write each page incrementally

This commit is contained in:
Jay Berkenbilt 2022-05-06 18:46:38 -04:00
parent 1615d7feaf
commit f50274ef46
1 changed files with 7 additions and 3 deletions
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10
libqpdf/QPDFJob.cc
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@ -1090,7 +1090,10 @@ QPDFJob::doJSONObjectinfo(Pipeline* p, bool& first, QPDF& pdf)
void
QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
{
JSON j_pages = JSON::makeArray();
JSON::writeNext(p, first, 0);
*p << "\"pages\": ";
bool first_page = true;
JSON::writeArrayOpen(p, first_page, 1);
QPDFPageDocumentHelper pdh(pdf);
QPDFPageLabelDocumentHelper pldh(pdf);
QPDFOutlineDocumentHelper odh(pdf);
@ -1098,7 +1101,7 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
int pageno = -1;
for (auto& ph: pages) {
++pageno;
JSON j_page = j_pages.addArrayElement(JSON::makeDictionary());
JSON j_page = JSON::makeDictionary();
QPDFObjectHandle page = ph.getObjectHandle();
j_page.addDictionaryMember("object", page.getJSON());
JSON j_images = j_page.addDictionaryMember("images", JSON::makeArray());
@ -1158,8 +1161,9 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
"dest", oiter.getDest().getJSON(true));
}
j_page.addDictionaryMember("pageposfrom1", JSON::makeInt(1 + pageno));
JSON::writeArrayItem(p, first_page, j_page, 1);
}
JSON::writeDictionaryItem(p, first, "pages", j_pages, 0);
JSON::writeArrayClose(p, first_page, 1);
}
void