libs/pdflib/p_encoding.c

15  * PDFlib encoding handling routines
30 pdf__encoding_set_char(PDF *p, const char *encoding, int slot,
39         if (!strcmp(encoding, pdc_get_fixed_encoding_name((pdc_encoding) enc)))
40             pdc_error(p->pdc, PDF_E_ENC_CANTCHANGE, encoding, 0, 0, 0);
89     /* search for a registered encoding */
90     enc = pdf_find_encoding(p, encoding);
97         p->encodings[enc].ev = pdc_new_encoding(p->pdc, encoding);
105 	pdc_error(p->pdc, PDF_E_ENC_CANTCHANGE, encoding, 0, 0, 0);
109 	pdc_error(p->pdc, PDF_E_ENC_INUSE, encoding, 0, 0, 0);
125 PDF_encoding_set_char(PDF *p, const char *encoding, int slot,
132         (void *) p, encoding, slot, glyphname, uv))
137     if (!encoding || !*encoding)
138         pdc_error(p->pdc, PDC_E_ILLARG_EMPTY, "encoding", 0, 0, 0);
154     pdf__encoding_set_char(p, encoding, slot, glyphname, uv);
158 PDF_encoding_get_glyphname(PDF *p, const char *encoding, int slot)
165 	"(p[%p], \"%s\", 0x%04X)", (void *) p, encoding, slot))
172     /* search for a registered encoding */
173     enc = pdf_find_encoding(p, encoding);
175     /* Unicode, glyphid or 8-bit encoding */
193             if (p->fonts[font].encoding != pdc_glyphid)
213 	    pdc_error(p->pdc, PDF_E_ENC_CANTQUERY, encoding, 0, 0, 0);
216 	    pdc_error(p->pdc, PDF_E_ENC_NOTFOUND, encoding, 0, 0, 0);
231 PDF_encoding_get_unicode(PDF *p, const char *encoding, int slot)
238 	"(p[%p], \"%s\", 0x%04X)", (void *) p, encoding, slot))
244     /* search for a registered encoding */
245     enc = pdf_find_encoding(p, encoding);
247     /* Unicode, glyphid or 8-bit encoding */
265             if (p->fonts[font].encoding != pdc_glyphid)
281             pdc_error(p->pdc, PDF_E_ENC_CANTQUERY, encoding, 0, 0, 0);
284             pdc_error(p->pdc, PDF_E_ENC_NOTFOUND, encoding, 0, 0, 0);
295  * Try to read an encoding from file.
297  * Return value: allocated encoding struct
302 pdf_read_encoding(PDF *p, const char *encoding, const char *filename)
315     if ((fp = pdf_fopen(p, filename, "encoding ", 0)) == NULL)
328     ev = pdc_new_encoding(p->pdc, encoding);
413  * Try to generate an encoding from an Unicode code page.
415  * Return value: allocated encoding struct
420 pdf_generate_encoding(PDF *p, const char *encoding)
428     len = strlen(encoding);
429     if (len >= 6 && !strncmp(encoding, "U+", 2) &&
430         sscanf(&encoding[2], "%x", &i_uv1) == 1)
439             char *se = strstr(&encoding[6], "U+");
447         ev = pdc_new_encoding(p->pdc, encoding);
467 pdf_subst_encoding_name(PDF *p, const char *encoding, char *buffer)
472     /* special case for the platform-specific host encoding */
473     if (!strcmp(encoding, "host") || !strcmp(encoding, "auto"))
484         if (!strcmp(encoding, "auto"))
511             encoding = buffer;
521     if (!strcmp(encoding, "host") ||
522         !strcmp(encoding, "auto")  ||
523         !strcmp(encoding, "cp1252"))
526     return encoding;
530 pdf_insert_encoding(PDF *p, const char *encoding)
537     /* substituting encoding name */
538     encoding = pdf_subst_encoding_name(p, encoding, buffer);
540     /* check for an user-defined encoding */
541     filename =  pdf_find_resource(p, "Encoding", encoding);
543         ev = pdf_read_encoding(p, encoding, filename);
546         /* check for a generate encoding */
547         ev = pdf_generate_encoding(p, encoding);
551 		pdc_set_errmsg(p->pdc, PDF_E_ENC_NOTFOUND, encoding, 0, 0, 0);
567 pdf_find_encoding(PDF *p, const char *encoding)
572     /* substituting encoding name */
573     encoding = pdf_subst_encoding_name(p, encoding, buffer);
575     /* search for a fixed encoding */
579         if (!strcmp(encoding, pdc_get_fixed_encoding_name((pdc_encoding) slot)))
581             /* copy in-core encoding at fixed slots */
583                p->encodings[slot].ev = pdc_copy_core_encoding(p->pdc, encoding);
588     /* search for a user defined encoding */
593             !strcmp(encoding, p->encodings[slot].ev->apiname))
600     /* search for an in-core encoding */
601     p->encodings[slot].ev = pdc_copy_core_encoding(p->pdc, encoding);