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Code Issues Releases Wiki Activity

Add outlines to json at document level

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This commit is contained in:
Jay Berkenbilt 2018-12-22 11:24:02 -05:00
parent ae9455bf44
commit 62ea3b9197
1 changed files with 54 additions and 2 deletions
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56
qpdf/qpdf.cc
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@ -342,6 +342,27 @@ static JSON json_schema(std::set<std::string>* keys = 0)
"label",
JSON::makeString("page label dictionary"));
}
if (all_keys || keys->count("outlines"))
{
JSON outlines = schema.addDictionaryMember(
"outlines", JSON::makeArray()).
addArrayElement(JSON::makeDictionary());
outlines.addDictionaryMember(
"object",
JSON::makeString("reference to this outline"));
outlines.addDictionaryMember(
"title",
JSON::makeString("outline title"));
outlines.addDictionaryMember(
"dest",
JSON::makeString("outline destination dictionary"));
outlines.addDictionaryMember(
"kids",
JSON::makeString("array of descendent outlines"));
outlines.addDictionaryMember(
"open",
JSON::makeString("whether the outline is displayed expanded"));
}
return schema;
}
@ -657,7 +678,8 @@ ArgParser::initOptionTable()
(*t)["json"] = oe_bare(&ArgParser::argJson);
// The list of selectable top-level keys id duplicated in three
// places: json_schema, do_json, and initOptionTable.
char const* jsonKeyChoices[] = {"objects", "pages", "pagelabels", 0};
char const* jsonKeyChoices[] = {
"objects", "pages", "pagelabels", "outlines", 0};
(*t)["json-key"] = oe_requiredChoices(
&ArgParser::argJsonKey, jsonKeyChoices);
(*t)["json-object"] = oe_requiredParameter(
@ -802,7 +824,8 @@ ArgParser::argJsonHelp()
<< "and \"parameters\" keys will always be present."
<< std::endl
<< std::endl
<< json_schema().serialize();
<< json_schema().serialize()
<< std::endl;
}
void
@ -2755,6 +2778,31 @@ static void do_json_page_labels(QPDF& pdf, Options& o, JSON& j)
}
}
static void add_outlines_to_json(
std::list<QPDFOutlineObjectHelper> outlines, JSON& j)
{
for (std::list<QPDFOutlineObjectHelper>::iterator iter = outlines.begin();
iter != outlines.end(); ++iter)
{
QPDFOutlineObjectHelper& ol = *iter;
JSON jo = j.addArrayElement(JSON::makeDictionary());
jo.addDictionaryMember("object", ol.getObjectHandle().getJSON());
jo.addDictionaryMember("title", JSON::makeString(ol.getTitle()));
jo.addDictionaryMember("dest", ol.getDest().getJSON(true));
jo.addDictionaryMember("open", JSON::makeBool(ol.getCount() >= 0));
JSON j_kids = jo.addDictionaryMember("kids", JSON::makeArray());
add_outlines_to_json(ol.getKids(), j_kids);
}
}
static void do_json_outlines(QPDF& pdf, Options& o, JSON& j)
{
JSON j_outlines = j.addDictionaryMember(
"outlines", JSON::makeArray());
QPDFOutlineDocumentHelper odh(pdf);
add_outlines_to_json(odh.getTopLevelOutlines(), j_outlines);
}
static void do_json(QPDF& pdf, Options& o)
{
JSON j = JSON::makeDictionary();
@ -2799,6 +2847,10 @@ static void do_json(QPDF& pdf, Options& o)
{
do_json_page_labels(pdf, o, j);
}
if (all_keys || o.json_keys.count("outlines"))
{
do_json_outlines(pdf, o, j);
}
// Check against schema