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Delay loading of the Info object and clean up the pdfioinfo example (Issue #87)

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This commit is contained in:
Michael R Sweet
2025-01-17 16:50:30 -05:00
parent fbd61d1fe9
commit 3bc041e6d3
6 changed files with 78 additions and 29 deletions
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24
examples/pdfioinfo.c
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@@ -1,7 +1,7 @@
//
// PDF metadata example for PDFio.
//
// Copyright © 2023-2024 by Michael R Sweet.
// Copyright © 2023-2025 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
@@ -25,9 +25,11 @@ main(int argc, // I - Number of command-line arguments
{
const char *filename; // PDF filename
pdfio_file_t *pdf; // PDF file
const char *author; // Author name
time_t creation_date; // Creation date
struct tm *creation_tm; // Creation date/time information
char creation_text[256]; // Creation date/time as a string
const char *title; // Title
// Get the filename from the command-line...
@@ -46,15 +48,25 @@ main(int argc, // I - Number of command-line arguments
if (pdf == NULL)
return (1);
// Get the title and author...
author = pdfioFileGetAuthor(pdf);
title = pdfioFileGetTitle(pdf);
// Get the creation date and convert to a string...
creation_date = pdfioFileGetCreationDate(pdf);
creation_tm = localtime(&creation_date);
strftime(creation_text, sizeof(creation_text), "%c", creation_tm);
if ((creation_date = pdfioFileGetCreationDate(pdf)) > 0)
{
creation_tm = localtime(&creation_date);
strftime(creation_text, sizeof(creation_text), "%c", creation_tm);
}
else
{
snprintf(creation_text, sizeof(creation_text), "-- not set --");
}
// Print file information to stdout...
printf("%s:\n", filename);
printf(" Title: %s\n", pdfioFileGetTitle(pdf));
printf(" Author: %s\n", pdfioFileGetAuthor(pdf));
printf(" Title: %s\n", title ? title : "-- not set --");
printf(" Author: %s\n", author ? author : "-- not set --");
printf(" Created On: %s\n", creation_text);
printf(" Number Pages: %u\n", (unsigned)pdfioFileGetNumPages(pdf));