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Update support for UTF-16 string tokens (Issue #141)

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Michael R Sweet
2025-12-02 14:37:18 -05:00
parent 789b74af39
commit 597c9f8cda
3 changed files with 21 additions and 2 deletions
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9
pdfio-dict.c
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@@ -464,8 +464,12 @@ pdfioDictGetString(pdfio_dict_t *dict, // I - Dictionary
_pdfio_value_t *value = _pdfioDictGetValue(dict, key);
PDFIO_DEBUG("pdfioDictGetString(dict=%p, key=\"%s\")\n", (void *)dict, key);
PDFIO_DEBUG("pdfioDictGetString: value=%p(type=%d)\n", (void *)value, value ? value->type : 0);
if (value && value->type == PDFIO_VALTYPE_STRING)
{
PDFIO_DEBUG("pdfioDictGetString: Returning \"%s\".\n", value->value.string);
return (value->value.string);
}
else if (value && value->type == PDFIO_VALTYPE_BINARY && value->value.binary.datalen < 4096)
@@ -476,6 +480,8 @@ pdfioDictGetString(pdfio_dict_t *dict, // I - Dictionary
if (!(value->value.binary.datalen & 1) && (!memcmp(value->value.binary.data, "\376\377", 2) || !memcmp(value->value.binary.data, "\377\376", 2)))
{
// Copy UTF-16...
PDFIO_DEBUG("pdfioDictGetString: Converting UTF-16 to UTF-8 string.\n");
_pdfio_utf16cpy(temp, value->value.binary.data, value->value.binary.datalen, sizeof(temp));
}
else
@@ -489,10 +495,13 @@ pdfioDictGetString(pdfio_dict_t *dict, // I - Dictionary
value->type = PDFIO_VALTYPE_STRING;
value->value.string = pdfioStringCreate(dict->pdf, temp);
PDFIO_DEBUG("pdfioDictGetString: Returning \"%s\".\n", value->value.string);
return (value->value.string);
}
else
{
PDFIO_DEBUG("pdfioDictGetString: Returning NULL.\n");
return (NULL);
}
}