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Diffstat (limited to 'examples/pdf-npages.cc')
-rw-r--r-- | examples/pdf-npages.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/examples/pdf-npages.cc b/examples/pdf-npages.cc new file mode 100644 index 00000000..53074d05 --- /dev/null +++ b/examples/pdf-npages.cc @@ -0,0 +1,61 @@ + + +#include <iostream> +#include <string.h> + +#include <qpdf/QPDF.hh> + +static char const* whoami = 0; + +void usage() +{ + std::cerr << "Usage: " << whoami << " filename" << std::endl + << "Prints the number of pages in filename" << std::endl; + exit(2); +} + +int main(int argc, char* argv[]) +{ + if ((whoami = strrchr(argv[0], '/')) == NULL) + { + whoami = argv[0]; + } + else + { + ++whoami; + } + // For libtool's sake.... + if (strncmp(whoami, "lt-", 3) == 0) + { + whoami += 3; + } + + if ((argc == 2) && (strcmp(argv[1], "--version") == 0)) + { + std::cout << whoami << " version 1.3" << std::endl; + exit(0); + } + + if (argc != 2) + { + usage(); + } + char const* filename = argv[1]; + + try + { + QPDF pdf; + pdf.processFile(filename); + QPDFObjectHandle root = pdf.getRoot(); + QPDFObjectHandle pages = root.getKey("/Pages"); + QPDFObjectHandle count = pages.getKey("/Count"); + std::cout << count.getIntValue() << std::endl; + } + catch (std::exception& e) + { + std::cerr << whoami << ": " << e.what() << std::endl; + exit(2); + } + + return 0; +} |