mirror of https://github.com/GNOME/gimp.git
168 lines
4.1 KiB
C
168 lines
4.1 KiB
C
/* simple program to test the XMP parser on files given on the command line */
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#include <stdio.h>
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#include <string.h>
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#include <glib/gprintf.h>
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#include "xmp-parse.h"
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static gpointer
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start_schema (XMPParseContext *context,
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const gchar *ns_uri,
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const gchar *ns_prefix,
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gpointer user_data,
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GError **error)
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{
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g_print ("Schema %s = \"%s\"\n", ns_prefix, ns_uri);
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return (gpointer) ns_prefix;
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}
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static void
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end_schema (XMPParseContext *context,
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gpointer user_ns_data,
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gpointer user_data,
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GError **error)
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{
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/* g_print ("End of %s\n", user_ns_prefix); */
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}
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static void
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set_property (XMPParseContext *context,
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const gchar *name,
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XMPParseType type,
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const gchar **value,
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gpointer user_ns_data,
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gpointer user_data,
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GError **error)
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{
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const gchar *ns_prefix = user_ns_data;
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int i;
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switch (type)
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{
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case XMP_PTYPE_TEXT:
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g_print ("\t%s:%s = \"%s\"\n", ns_prefix, name,
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value[0]);
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break;
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case XMP_PTYPE_RESOURCE:
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g_print ("\t%s:%s @ = \"%s\"\n", ns_prefix, name,
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value[0]);
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break;
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case XMP_PTYPE_ORDERED_LIST:
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case XMP_PTYPE_UNORDERED_LIST:
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g_print ("\t%s:%s [] =", ns_prefix, name);
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for (i = 0; value[i] != NULL; i++)
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if (i == 0)
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g_print (" \"%s\"", value[i]);
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else
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g_print (", \"%s\"", value[i]);
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g_print ("\n");
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break;
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case XMP_PTYPE_ALT_THUMBS:
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for (i = 0; value[i] != NULL; i += 2)
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g_print ("\t%s:%s [size = %d] = \"...\"\n", ns_prefix, name,
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*(int*)(value[i])); /* FIXME: show part of image */
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break;
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case XMP_PTYPE_ALT_LANG:
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for (i = 0; value[i] != NULL; i += 2)
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g_print ("\t%s:%s [lang:%s] = \"%s\"\n", ns_prefix, name,
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value[i], value[i + 1]);
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break;
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case XMP_PTYPE_STRUCTURE:
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g_print ("\tLocal schema %s = \"%s\"\n", value[0], value[1]);
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for (i = 2; value[i] != NULL; i += 2)
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g_print ("\t%s:%s [%s] = \"%s\"\n", ns_prefix, name,
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value[i], value[i + 1]);
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break;
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default:
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g_print ("\t%s:%s = ?\n", ns_prefix, name);
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break;
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}
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}
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static void
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print_error (XMPParseContext *context,
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GError *error,
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gpointer user_data)
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{
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gchar *filename = user_data;
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g_printerr ("While parsing XMP metadata in %s:\n%s\n",
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filename, error->message);
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}
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static XMPParser xmp_parser = {
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start_schema,
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end_schema,
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set_property,
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print_error
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};
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static int
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scan_file (const gchar *filename)
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{
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gchar *contents;
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gsize length;
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GError *error;
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XMPParseContext *context;
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g_print ("\nFile: %s\n", filename);
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error = NULL;
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if (!g_file_get_contents (filename,
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&contents,
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&length,
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&error))
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{
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print_error (NULL, error, (gpointer) filename);
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g_error_free (error);
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return 1;
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}
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context = xmp_parse_context_new (&xmp_parser,
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XMP_FLAG_FIND_XPACKET,
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(gpointer) filename,
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NULL);
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if (! xmp_parse_context_parse (context, contents, length, NULL))
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{
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xmp_parse_context_free (context);
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return 1;
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}
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if (! xmp_parse_context_end_parse (context, NULL))
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{
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xmp_parse_context_free (context);
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return 1;
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}
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xmp_parse_context_free (context);
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return 0;
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}
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int
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main (int argc,
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char *argv[])
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{
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g_set_prgname ("xmpdump");
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if (argc > 1)
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{
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for (argv++, argc--; argc; argv++, argc--)
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if (scan_file (*argv) != 0)
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return 1;
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return 0;
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}
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else
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{
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g_print ("Usage:\n"
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"\txmpdump file [file [...]]\n\n"
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"The file(s) given on the command line will be scanned "
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"for XMP metadata\n");
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return 1;
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}
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}
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