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qpdf/libqpdf/QPDFJob_json.cc

125 lines
3.5 KiB
C++

#include <qpdf/QPDFJob.hh>
#include <qpdf/JSONHandler.hh>
#include <memory>
#include <stdexcept>
#include <sstream>
static JSON JOB_SCHEMA = JSON::parse(QPDFJob::json_job_schema_v1().c_str());
namespace
{
class Handlers
{
public:
Handlers(JSONHandler& jh, std::shared_ptr<QPDFJob::Config> c_main);
void handle(JSON&);
private:
//# include <qpdf/auto_job_json_decl.hh>
void usage(std::string const& message);
void initHandlers();
JSONHandler& jh;
std::shared_ptr<QPDFJob::Config> c_main;
std::shared_ptr<QPDFJob::CopyAttConfig> c_copy_att;
std::shared_ptr<QPDFJob::AttConfig> c_att;
std::shared_ptr<QPDFJob::PagesConfig> c_pages;
std::shared_ptr<QPDFJob::UOConfig> c_uo;
std::shared_ptr<QPDFJob::EncConfig> c_enc;
};
}
Handlers::Handlers(JSONHandler& jh, std::shared_ptr<QPDFJob::Config> c_main) :
jh(jh),
c_main(c_main)
{
initHandlers();
}
void
Handlers::initHandlers()
{
//# include <qpdf/auto_job_json_init.hh>
jh.addDictHandlers(
[](std::string const&){},
[](std::string const&){});
auto input = std::make_shared<JSONHandler>();
auto input_file = std::make_shared<JSONHandler>();
auto input_file_name = std::make_shared<JSONHandler>();
auto output = std::make_shared<JSONHandler>();
auto output_file = std::make_shared<JSONHandler>();
auto output_file_name = std::make_shared<JSONHandler>();
auto output_options = std::make_shared<JSONHandler>();
auto output_options_qdf = std::make_shared<JSONHandler>();
input->addDictHandlers(
[](std::string const&){},
[](std::string const&){});
input_file->addDictHandlers(
[](std::string const&){},
[](std::string const&){});
output->addDictHandlers(
[](std::string const&){},
[](std::string const&){});
output_file->addDictHandlers(
[](std::string const&){},
[](std::string const&){});
output_options->addDictHandlers(
[](std::string const&){},
[](std::string const&){});
jh.addDictKeyHandler("input", input);
input->addDictKeyHandler("file", input_file);
input_file->addDictKeyHandler("name", input_file_name);
jh.addDictKeyHandler("output", output);
output->addDictKeyHandler("file", output_file);
output_file->addDictKeyHandler("name", output_file_name);
output->addDictKeyHandler("options", output_options);
output_options->addDictKeyHandler("qdf", output_options_qdf);
input_file_name->addStringHandler(
[this](std::string const&, std::string const& v) {
c_main->inputFile(v.c_str());
});
output_file_name->addStringHandler(
[this](std::string const&, std::string const& v) {
c_main->outputFile(v.c_str());
});
output_options_qdf->addBoolHandler(
[this](std::string const&, bool v) {
// QXXXQ require v to be true
c_main->qdf();
});
}
void
Handlers::handle(JSON& j)
{
jh.handle(".", j);
}
void
QPDFJob::initializeFromJson(std::string const& json)
{
std::list<std::string> errors;
JSON j = JSON::parse(json);
if (! j.checkSchema(JOB_SCHEMA, JSON::f_optional, errors))
{
std::ostringstream msg;
msg << this->m->message_prefix
<< ": job json has errors:";
for (auto const& error: errors)
{
msg << std::endl << " " << error;
}
throw std::runtime_error(msg.str());
}
JSONHandler jh;
Handlers h(jh, config());
h.handle(j);
}