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Rework error/debug output.

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This commit is contained in:
Michael R Sweet
2021-05-10 08:40:52 -04:00
parent 67ed214c59
commit cfb5ca0ddc
5 changed files with 55 additions and 107 deletions
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91
testpdfio.c
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@@ -20,7 +20,7 @@
static int do_test_file(const char *filename);
static int do_unit_tests(void);
static bool error_cb(bool *error, const char *message);
static bool error_cb(pdfio_file_t *pdf, const char *message, bool *error);
static ssize_t token_consume_cb(const char **s, size_t bytes);
static ssize_t token_peek_cb(const char **s, char *buffer, size_t bytes);
@@ -39,7 +39,7 @@ main(int argc, // I - Number of command-line arguments
for (i = 1; i < argc; i ++)
{
if (!do_test_file(argv[i]))
if (do_test_file(argv[i]))
return (1);
}
}
@@ -59,6 +59,7 @@ main(int argc, // I - Number of command-line arguments
static int // O - Exit status
do_test_file(const char *filename) // I - PDF filename
{
bool error = false; // Have we shown an error yet?
pdfio_file_t *pdf; // PDF file
size_t n, // Object/page index
num_objs, // Number of objects
@@ -69,13 +70,16 @@ do_test_file(const char *filename) // I - PDF filename
// Try opening the file...
if ((pdf = pdfioFileOpen(filename, NULL, NULL)) != NULL)
printf("pdfioFileOpen(\"%s\", ...): ", filename);
if ((pdf = pdfioFileOpen(filename, (pdfio_error_cb_t)error_cb, &error)) != NULL)
{
puts("PASS");
// Show basic stats...
num_objs = pdfioFileGetNumObjects(pdf);
num_pages = pdfioFileGetNumPages(pdf);
printf("%s: PDF %s, %d pages, %d objects.\n", filename, pdfioFileGetVersion(pdf), (int)num_pages, (int)num_objs);
printf(" PDF %s, %d pages, %d objects.\n", pdfioFileGetVersion(pdf), (int)num_pages, (int)num_objs);
// Show a summary of each page...
for (n = 0; n < num_pages; n ++)
@@ -100,7 +104,7 @@ do_test_file(const char *filename) // I - PDF filename
}
}
printf("%s: Page #%d is %gx%g.\n", filename, (int)n + 1, media_box.x2, media_box.y2);
printf(" Page #%d is %gx%g.\n", (int)n + 1, media_box.x2, media_box.y2);
}
}
@@ -109,64 +113,16 @@ do_test_file(const char *filename) // I - PDF filename
{
if ((obj = pdfioFileGetObject(pdf, n)) == NULL)
{
printf("%s: Unable to get object #%d.\n", filename, (int)n);
printf(" Unable to get object #%d.\n", (int)n);
}
else
{
size_t np; // Number of pairs
_pdfio_pair_t *pair; // Current pair
dict = pdfioObjGetDict(obj);
printf("%s: %u %u obj dict=%p(%lu pairs)\n", filename, (unsigned)pdfioObjGetNumber(obj), (unsigned)pdfioObjGetGeneration(obj), dict, dict ? (unsigned long)dict->num_pairs : 0UL);
if (dict)
{
// Show a summary of each pair in the dictionary...
for (np = dict->num_pairs, pair = dict->pairs; np > 0; np --, pair ++)
{
switch (pair->value.type)
{
case PDFIO_VALTYPE_INDIRECT :
printf(" /%s %u %u R\n", pair->key, (unsigned)pair->value.value.indirect.number, pair->value.value.indirect.generation);
break;
case PDFIO_VALTYPE_NAME :
printf(" /%s /%s\n", pair->key, pair->value.value.name);
break;
case PDFIO_VALTYPE_STRING :
printf(" /%s (%s)\n", pair->key, pair->value.value.string);
break;
case PDFIO_VALTYPE_BINARY :
{
size_t bn;
unsigned char *bptr;
printf(" /%s <", pair->key);
for (bn = pair->value.value.binary.datalen, bptr = pair->value.value.binary.data; bn > 0; bn --, bptr ++)
printf("%02X", *bptr);
puts(">");
}
break;
case PDFIO_VALTYPE_NUMBER :
printf(" /%s %g\n", pair->key, pair->value.value.number);
break;
case PDFIO_VALTYPE_BOOLEAN :
printf(" /%s %s\n", pair->key, pair->value.value.boolean ? "true" : "false");
break;
case PDFIO_VALTYPE_NULL :
printf(" /%s null\n", pair->key);
break;
case PDFIO_VALTYPE_ARRAY :
printf(" /%s [...]\n", pair->key);
break;
case PDFIO_VALTYPE_DICT :
printf(" /%s <<...>>\n", pair->key);
break;
default :
printf(" /%s ...\n", pair->key);
break;
}
}
}
printf(" %u %u obj dict=%p(%lu pairs)\n", (unsigned)pdfioObjGetNumber(obj), (unsigned)pdfioObjGetGeneration(obj), dict, dict ? (unsigned long)dict->num_pairs : 0UL);
fputs(" ", stdout);
_pdfioValueDebug(&obj->value, stdout);
putchar('\n');
}
}
@@ -208,7 +164,7 @@ do_unit_tests(void)
// First open the test PDF file...
fputs("pdfioFileOpen(testpdfio.pdf): ", stdout);
fputs("pdfioFileOpen(\"testpdfio.pdf\"): ", stdout);
if ((pdf = pdfioFileOpen("testpdfio.pdf", (pdfio_error_cb_t)error_cb, &error)) != NULL)
puts("PASS");
else
@@ -244,22 +200,23 @@ do_unit_tests(void)
//
static bool // O - `true` to stop, `false` to continue
error_cb(bool *error, // IO - Have we displayed an error?
const char *message) // I - Error message
error_cb(pdfio_file_t *pdf, // I - PDF file
const char *message, // I - Error message
bool *error) // IO - Have we displayed an error?
{
(void)pdf;
if (!*error)
{
// First error, so show a "FAIL" indicator
*error = true;
printf("FAIL (%s)\n", message);
}
else
{
// Subsequent errors are just indented...
printf(" %s\n", message);
puts("FAIL");
}
// Indent error messages...
printf(" %s\n", message);
// Continue to catch more errors...
return (false);
}