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Add some debug output, "debug" make target.

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Fix loading of dicts, trailer.
This commit is contained in:
Michael R Sweet
2021-05-04 12:59:10 -04:00
parent 516c6b9ace
commit 59ef6b48ed
7 changed files with 106 additions and 17 deletions
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50
pdfio-value.c
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@ -101,12 +101,44 @@ _pdfioValueRead(pdfio_file_t *pdf, // I - PDF file
_pdfio_value_t *v) // I - Value
{
char token[8192]; // Token buffer
#ifdef DEBUG
static const char * const valtypes[] =
{
"<<none>>", // No value, not set
"array", // Array
"hex-string", // Binary data
"boolean", // Boolean
"date", // Date/time
"dict", // Dictionary
"indirect", // Indirect object (N G obj)
"name", // Name
"null", // Null object
"number", // Number (integer or real)
"string" // String
};
#endif // DEBUG
PDFIO_DEBUG("_pdfioValueRead(pdf=%p, v=%p)\n", pdf, v);
if (!_pdfioFileGetToken(pdf, token, sizeof(token)))
return (NULL);
if (token[0] == '(')
if (!strcmp(token, "["))
{
// Start of array
v->type = PDFIO_VALTYPE_ARRAY;
if ((v->value.array = _pdfioArrayRead(pdf)) == NULL)
return (NULL);
}
else if (!strcmp(token, "<<"))
{
// Start of dictionary
v->type = PDFIO_VALTYPE_DICT;
if ((v->value.dict = _pdfioDictRead(pdf)) == NULL)
return (NULL);
}
else if (token[0] == '(')
{
// TODO: Add date value support
// String
@ -221,26 +253,14 @@ _pdfioValueRead(pdfio_file_t *pdf, // I - PDF file
// null value
v->type = PDFIO_VALTYPE_NULL;
}
else if (!strcmp(token, "["))
{
// Start of array
v->type = PDFIO_VALTYPE_ARRAY;
if ((v->value.array = _pdfioArrayRead(pdf)) == NULL)
return (NULL);
}
else if (!strcmp(token, "<<"))
{
// Start of dictionary
v->type = PDFIO_VALTYPE_DICT;
if ((v->value.dict = _pdfioDictRead(pdf)) == NULL)
return (NULL);
}
else
{
_pdfioFileError(pdf, "Unexpected '%s' token seen.", token);
return (NULL);
}
PDFIO_DEBUG("_pdfioValueRead: Returning %s value.\n", valtypes[v->type]);
return (v);
}