mirror of https://github.com/qpdf/qpdf.git
Rewrite bookmark example to use outline helpers
Now uses QPDFOutlineDocumentHelper and QPDFOutlineObjectHelper.
This commit is contained in:
Jay Berkenbilt
parent
d5d179f441
commit
4fbffdf8ed
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@ -3,6 +3,7 @@
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#include <stdlib.h>
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#include <qpdf/QPDF.hh>
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#include <qpdf/QPDFPageDocumentHelper.hh>
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#include <qpdf/QPDFOutlineDocumentHelper.hh>
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#include <qpdf/QUtil.hh>
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#include <qpdf/QTC.hh>
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@ -56,111 +57,99 @@ void generate_page_map(QPDF& qpdf)
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}
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}
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void extract_bookmarks(QPDFObjectHandle outlines, std::vector<int>& numbers)
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void show_bookmark_details(QPDFOutlineObjectHelper outline,
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std::vector<int> numbers)
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{
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if (outlines.hasKey("/Title"))
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// No default so gcc will warn on missing tag
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switch (style)
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{
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// No default so gcc will warn on missing tag
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switch (style)
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{
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case st_none:
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QTC::TC("examples", "pdf-bookmarks none");
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break;
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case st_none:
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QTC::TC("examples", "pdf-bookmarks none");
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break;
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case st_numbers:
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QTC::TC("examples", "pdf-bookmarks numbers");
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for (std::vector<int>::iterator iter = numbers.begin();
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iter != numbers.end(); ++iter)
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{
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std::cout << *iter << ".";
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}
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std::cout << " ";
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break;
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case st_numbers:
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QTC::TC("examples", "pdf-bookmarks numbers");
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for (std::vector<int>::iterator iter = numbers.begin();
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iter != numbers.end(); ++iter)
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{
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std::cout << *iter << ".";
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}
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std::cout << " ";
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break;
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case st_lines:
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QTC::TC("examples", "pdf-bookmarks lines");
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print_lines(numbers);
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std::cout << "|" << std::endl;
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print_lines(numbers);
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std::cout << "+-+ ";
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break;
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}
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if (show_open)
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{
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if (outlines.hasKey("/Count"))
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{
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QTC::TC("examples", "pdf-bookmarks has count");
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int count = outlines.getKey("/Count").getIntValue();
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if (count > 0)
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{
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// hierarchy is open at this point
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QTC::TC("examples", "pdf-bookmarks open");
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std::cout << "(v) ";
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}
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else
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{
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QTC::TC("examples", "pdf-bookmarks closed");
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std::cout << "(>) ";
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}
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}
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else
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{
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QTC::TC("examples", "pdf-bookmarks no count");
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std::cout << "( ) ";
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}
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}
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if (show_targets)
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{
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QTC::TC("examples", "pdf-bookmarks targets");
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std::string target = "unknown";
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// Only explicit destinations supported for now
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if (outlines.hasKey("/Dest"))
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{
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QTC::TC("examples", "pdf-bookmarks dest");
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QPDFObjectHandle dest = outlines.getKey("/Dest");
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if ((dest.isArray()) && (dest.getArrayNItems() > 0))
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{
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QPDFObjectHandle first = dest.getArrayItem(0);
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QPDFObjGen og = first.getObjGen();
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if (page_map.count(og))
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{
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target = QUtil::int_to_string(page_map[og]);
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}
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}
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std::cout << "[ -> " << target << " ] ";
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}
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}
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std::cout << outlines.getKey("/Title").getUTF8Value() << std::endl;
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case st_lines:
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QTC::TC("examples", "pdf-bookmarks lines");
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print_lines(numbers);
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std::cout << "|" << std::endl;
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print_lines(numbers);
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std::cout << "+-+ ";
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break;
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}
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if (outlines.hasKey("/First"))
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if (show_open)
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{
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numbers.push_back(0);
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QPDFObjectHandle child = outlines.getKey("/First");
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while (1)
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{
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++(numbers.back());
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bool has_next = child.hasKey("/Next");
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if ((style == st_lines) && (! has_next))
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{
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numbers.back() = 0;
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}
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extract_bookmarks(child, numbers);
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if (has_next)
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{
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child = child.getKey("/Next");
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}
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else
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{
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break;
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}
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}
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numbers.pop_back();
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int count = outline.getCount();
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if (count)
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{
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QTC::TC("examples", "pdf-bookmarks has count");
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if (count > 0)
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{
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// hierarchy is open at this point
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QTC::TC("examples", "pdf-bookmarks open");
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std::cout << "(v) ";
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}
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else
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{
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QTC::TC("examples", "pdf-bookmarks closed");
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std::cout << "(>) ";
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}
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}
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else
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{
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QTC::TC("examples", "pdf-bookmarks no count");
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std::cout << "( ) ";
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}
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}
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if (show_targets)
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{
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QTC::TC("examples", "pdf-bookmarks targets");
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std::string target = "unknown";
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QPDFObjectHandle dest_page = outline.getDestPage();
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if (! dest_page.isNull())
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{
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QTC::TC("examples", "pdf-bookmarks dest");
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QPDFObjGen og = dest_page.getObjGen();
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if (page_map.count(og))
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{
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target = QUtil::int_to_string(page_map[og]);
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}
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}
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std::cout << "[ -> " << target << " ] ";
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}
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std::cout << outline.getTitle() << std::endl;
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}
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void extract_bookmarks(std::list<QPDFOutlineObjectHelper> outlines,
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std::vector<int>& numbers)
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{
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numbers.push_back(0);
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for (std::list<QPDFOutlineObjectHelper>::iterator iter = outlines.begin();
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iter != outlines.end(); ++iter)
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{
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++(numbers.back());
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show_bookmark_details(*iter, numbers);
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std::list<QPDFOutlineObjectHelper>::iterator next = iter;
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++next;
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bool has_next = (next != outlines.end());
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if ((style == st_lines) && (! has_next))
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{
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numbers.back() = 0;
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}
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extract_bookmarks((*iter).getKids(), numbers);
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}
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numbers.pop_back();
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}
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int main(int argc, char* argv[])
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@ -233,15 +222,15 @@ int main(int argc, char* argv[])
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QPDF qpdf;
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qpdf.processFile(filename, password);
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QPDFObjectHandle root = qpdf.getRoot();
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if (root.hasKey("/Outlines"))
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QPDFOutlineDocumentHelper odh(qpdf);
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if (odh.hasOutlines())
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{
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std::vector<int> numbers;
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if (show_targets)
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{
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generate_page_map(qpdf);
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}
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extract_bookmarks(root.getKey("/Outlines"), numbers);
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extract_bookmarks(odh.getTopLevelOutlines(), numbers);
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}
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else
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{
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