1 files changed, 0 insertions, 611 deletions

diff --git a/pdf/pdf_parse.c b/pdf/pdf_parse.c
deleted file mode 100644
index 18ab3113..00000000
--- a/pdf/pdf_parse.c
+++ /dev/null
@@ -1,611 +0,0 @@
-#include "mupdf/pdf.h"
-
-fz_rect *
-pdf_to_rect(fz_context *ctx, pdf_obj *array, fz_rect *r)
-{
-	float a = pdf_to_real(pdf_array_get(array, 0));
-	float b = pdf_to_real(pdf_array_get(array, 1));
-	float c = pdf_to_real(pdf_array_get(array, 2));
-	float d = pdf_to_real(pdf_array_get(array, 3));
-	r->x0 = fz_min(a, c);
-	r->y0 = fz_min(b, d);
-	r->x1 = fz_max(a, c);
-	r->y1 = fz_max(b, d);
-	return r;
-}
-
-fz_matrix *
-pdf_to_matrix(fz_context *ctx, pdf_obj *array, fz_matrix *m)
-{
-	m->a = pdf_to_real(pdf_array_get(array, 0));
-	m->b = pdf_to_real(pdf_array_get(array, 1));
-	m->c = pdf_to_real(pdf_array_get(array, 2));
-	m->d = pdf_to_real(pdf_array_get(array, 3));
-	m->e = pdf_to_real(pdf_array_get(array, 4));
-	m->f = pdf_to_real(pdf_array_get(array, 5));
-	return m;
-}
-
-/* Convert Unicode/PdfDocEncoding string into utf-8 */
-char *
-pdf_to_utf8(pdf_document *xref, pdf_obj *src)
-{
-	fz_context *ctx = xref->ctx;
-	fz_buffer *strmbuf = NULL;
-	unsigned char *srcptr;
-	char *dstptr, *dst;
-	int srclen;
-	int dstlen = 0;
-	int ucs;
-	int i;
-
-	fz_var(strmbuf);
-	fz_try(ctx)
-	{
-		if (pdf_is_string(src))
-		{
-			srcptr = (unsigned char *) pdf_to_str_buf(src);
-			srclen = pdf_to_str_len(src);
-		}
-		else if (pdf_is_stream(xref, pdf_to_num(src), pdf_to_gen(src)))
-		{
-			strmbuf = pdf_load_stream(xref, pdf_to_num(src), pdf_to_gen(src));
-			srclen = fz_buffer_storage(ctx, strmbuf, (unsigned char **)&srcptr);
-		}
-		else
-		{
-			srclen = 0;
-		}
-
-		if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255)
-		{
-			for (i = 2; i + 1 < srclen; i += 2)
-			{
-				ucs = srcptr[i] << 8 | srcptr[i+1];
-				dstlen += fz_runelen(ucs);
-			}
-
-			dstptr = dst = fz_malloc(ctx, dstlen + 1);
-
-			for (i = 2; i + 1 < srclen; i += 2)
-			{
-				ucs = srcptr[i] << 8 | srcptr[i+1];
-				dstptr += fz_runetochar(dstptr, ucs);
-			}
-		}
-		else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254)
-		{
-			for (i = 2; i + 1 < srclen; i += 2)
-			{
-				ucs = srcptr[i] | srcptr[i+1] << 8;
-				dstlen += fz_runelen(ucs);
-			}
-
-			dstptr = dst = fz_malloc(ctx, dstlen + 1);
-
-			for (i = 2; i + 1 < srclen; i += 2)
-			{
-				ucs = srcptr[i] | srcptr[i+1] << 8;
-				dstptr += fz_runetochar(dstptr, ucs);
-			}
-		}
-		else
-		{
-			for (i = 0; i < srclen; i++)
-				dstlen += fz_runelen(pdf_doc_encoding[srcptr[i]]);
-
-			dstptr = dst = fz_malloc(ctx, dstlen + 1);
-
-			for (i = 0; i < srclen; i++)
-			{
-				ucs = pdf_doc_encoding[srcptr[i]];
-				dstptr += fz_runetochar(dstptr, ucs);
-			}
-		}
-	}
-	fz_always(ctx)
-	{
-		fz_drop_buffer(ctx, strmbuf);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-
-	*dstptr = '\0';
-	return dst;
-}
-
-/* Convert Unicode/PdfDocEncoding string into ucs-2 */
-unsigned short *
-pdf_to_ucs2(pdf_document *xref, pdf_obj *src)
-{
-	fz_context *ctx = xref->ctx;
-	unsigned char *srcptr = (unsigned char *) pdf_to_str_buf(src);
-	unsigned short *dstptr, *dst;
-	int srclen = pdf_to_str_len(src);
-	int i;
-
-	if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255)
-	{
-		dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2 + 1, sizeof(short));
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] << 8 | srcptr[i+1];
-	}
-	else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254)
-	{
-		dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2 + 1, sizeof(short));
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] | srcptr[i+1] << 8;
-	}
-	else
-	{
-		dstptr = dst = fz_malloc_array(ctx, srclen + 1, sizeof(short));
-		for (i = 0; i < srclen; i++)
-			*dstptr++ = pdf_doc_encoding[srcptr[i]];
-	}
-
-	*dstptr = '\0';
-	return dst;
-}
-
-/* allow to convert to UCS-2 without the need for an fz_context */
-/* (buffer must be at least (fz_to_str_len(src) + 1) * 2 bytes in size) */
-void
-pdf_to_ucs2_buf(unsigned short *buffer, pdf_obj *src)
-{
-	unsigned char *srcptr = (unsigned char *) pdf_to_str_buf(src);
-	unsigned short *dstptr = buffer;
-	int srclen = pdf_to_str_len(src);
-	int i;
-
-	if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255)
-	{
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] << 8 | srcptr[i+1];
-	}
-	else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254)
-	{
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] | srcptr[i+1] << 8;
-	}
-	else
-	{
-		for (i = 0; i < srclen; i++)
-			*dstptr++ = pdf_doc_encoding[srcptr[i]];
-	}
-
-	*dstptr = '\0';
-}
-
-/* Convert UCS-2 string into PdfDocEncoding for authentication */
-char *
-pdf_from_ucs2(pdf_document *xref, unsigned short *src)
-{
-	fz_context *ctx = xref->ctx;
-	int i, j, len;
-	char *docstr;
-
-	len = 0;
-	while (src[len])
-		len++;
-
-	docstr = fz_malloc(ctx, len + 1);
-
-	for (i = 0; i < len; i++)
-	{
-		/* shortcut: check if the character has the same code point in both encodings */
-		if (0 < src[i] && src[i] < 256 && pdf_doc_encoding[src[i]] == src[i]) {
-			docstr[i] = src[i];
-			continue;
-		}
-
-		/* search through pdf_docencoding for the character's code point */
-		for (j = 0; j < 256; j++)
-			if (pdf_doc_encoding[j] == src[i])
-				break;
-		docstr[i] = j;
-
-		/* fail, if a character can't be encoded */
-		if (!docstr[i])
-		{
-			fz_free(ctx, docstr);
-			return NULL;
-		}
-	}
-	docstr[len] = '\0';
-
-	return docstr;
-}
-
-pdf_obj *
-pdf_to_utf8_name(pdf_document *xref, pdf_obj *src)
-{
-	char *buf = pdf_to_utf8(xref, src);
-	pdf_obj *dst = pdf_new_name(xref->ctx, buf);
-	fz_free(xref->ctx, buf);
-	return dst;
-}
-
-pdf_obj *
-pdf_parse_array(pdf_document *xref, fz_stream *file, pdf_lexbuf *buf)
-{
-	pdf_obj *ary = NULL;
-	pdf_obj *obj = NULL;
-	int a = 0, b = 0, n = 0;
-	pdf_token tok;
-	fz_context *ctx = file->ctx;
-	pdf_obj *op;
-
-	fz_var(obj);
-
-	ary = pdf_new_array(ctx, 4);
-
-	fz_try(ctx)
-	{
-		while (1)
-		{
-			tok = pdf_lex(file, buf);
-
-			if (tok != PDF_TOK_INT && tok != PDF_TOK_R)
-			{
-				if (n > 0)
-				{
-					obj = pdf_new_int(ctx, a);
-					pdf_array_push(ary, obj);
-					pdf_drop_obj(obj);
-					obj = NULL;
-				}
-				if (n > 1)
-				{
-					obj = pdf_new_int(ctx, b);
-					pdf_array_push(ary, obj);
-					pdf_drop_obj(obj);
-					obj = NULL;
-				}
-				n = 0;
-			}
-
-			if (tok == PDF_TOK_INT && n == 2)
-			{
-				obj = pdf_new_int(ctx, a);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				a = b;
-				n --;
-			}
-
-			switch (tok)
-			{
-			case PDF_TOK_CLOSE_ARRAY:
-				op = ary;
-				goto end;
-
-			case PDF_TOK_INT:
-				if (n == 0)
-					a = buf->i;
-				if (n == 1)
-					b = buf->i;
-				n ++;
-				break;
-
-			case PDF_TOK_R:
-				if (n != 2)
-					fz_throw(ctx, FZ_ERROR_GENERIC, "cannot parse indirect reference in array");
-				obj = pdf_new_indirect(ctx, a, b, xref);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				n = 0;
-				break;
-
-			case PDF_TOK_OPEN_ARRAY:
-				obj = pdf_parse_array(xref, file, buf);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-
-			case PDF_TOK_OPEN_DICT:
-				obj = pdf_parse_dict(xref, file, buf);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-
-			case PDF_TOK_NAME:
-				obj = pdf_new_name(ctx, buf->scratch);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-			case PDF_TOK_REAL:
-				obj = pdf_new_real(ctx, buf->f);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-			case PDF_TOK_STRING:
-				obj = pdf_new_string(ctx, buf->scratch, buf->len);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-			case PDF_TOK_TRUE:
-				obj = pdf_new_bool(ctx, 1);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-			case PDF_TOK_FALSE:
-				obj = pdf_new_bool(ctx, 0);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-			case PDF_TOK_NULL:
-				obj = pdf_new_null(ctx);
-				pdf_array_push(ary, obj);
-				pdf_drop_obj(obj);
-				obj = NULL;
-				break;
-
-			default:
-				fz_throw(ctx, FZ_ERROR_GENERIC, "cannot parse token in array");
-			}
-		}
-end:
-		{}
-	}
-	fz_catch(ctx)
-	{
-		pdf_drop_obj(obj);
-		pdf_drop_obj(ary);
-		fz_rethrow_message(ctx, "cannot parse array");
-	}
-	return op;
-}
-
-pdf_obj *
-pdf_parse_dict(pdf_document *xref, fz_stream *file, pdf_lexbuf *buf)
-{
-	pdf_obj *dict;
-	pdf_obj *key = NULL;
-	pdf_obj *val = NULL;
-	pdf_token tok;
-	int a, b;
-	fz_context *ctx = file->ctx;
-
-	dict = pdf_new_dict(ctx, 8);
-
-	fz_var(key);
-	fz_var(val);
-
-	fz_try(ctx)
-	{
-		while (1)
-		{
-			tok = pdf_lex(file, buf);
-	skip:
-			if (tok == PDF_TOK_CLOSE_DICT)
-				break;
-
-			/* for BI .. ID .. EI in content streams */
-			if (tok == PDF_TOK_KEYWORD && !strcmp(buf->scratch, "ID"))
-				break;
-
-			if (tok != PDF_TOK_NAME)
-				fz_throw(ctx, FZ_ERROR_GENERIC, "invalid key in dict");
-
-			key = pdf_new_name(ctx, buf->scratch);
-
-			tok = pdf_lex(file, buf);
-
-			switch (tok)
-			{
-			case PDF_TOK_OPEN_ARRAY:
-				val = pdf_parse_array(xref, file, buf);
-				break;
-
-			case PDF_TOK_OPEN_DICT:
-				val = pdf_parse_dict(xref, file, buf);
-				break;
-
-			case PDF_TOK_NAME: val = pdf_new_name(ctx, buf->scratch); break;
-			case PDF_TOK_REAL: val = pdf_new_real(ctx, buf->f); break;
-			case PDF_TOK_STRING: val = pdf_new_string(ctx, buf->scratch, buf->len); break;
-			case PDF_TOK_TRUE: val = pdf_new_bool(ctx, 1); break;
-			case PDF_TOK_FALSE: val = pdf_new_bool(ctx, 0); break;
-			case PDF_TOK_NULL: val = pdf_new_null(ctx); break;
-
-			case PDF_TOK_INT:
-				/* 64-bit to allow for numbers > INT_MAX and overflow */
-				a = buf->i;
-				tok = pdf_lex(file, buf);
-				if (tok == PDF_TOK_CLOSE_DICT || tok == PDF_TOK_NAME ||
-					(tok == PDF_TOK_KEYWORD && !strcmp(buf->scratch, "ID")))
-				{
-					val = pdf_new_int(ctx, a);
-					pdf_dict_put(dict, key, val);
-					pdf_drop_obj(val);
-					val = NULL;
-					pdf_drop_obj(key);
-					key = NULL;
-					goto skip;
-				}
-				if (tok == PDF_TOK_INT)
-				{
-					b = buf->i;
-					tok = pdf_lex(file, buf);
-					if (tok == PDF_TOK_R)
-					{
-						val = pdf_new_indirect(ctx, a, b, xref);
-						break;
-					}
-				}
-				fz_throw(ctx, FZ_ERROR_GENERIC, "invalid indirect reference in dict");
-
-			default:
-				fz_throw(ctx, FZ_ERROR_GENERIC, "unknown token in dict");
-			}
-
-			pdf_dict_put(dict, key, val);
-			pdf_drop_obj(val);
-			val = NULL;
-			pdf_drop_obj(key);
-			key = NULL;
-		}
-	}
-	fz_catch(ctx)
-	{
-		pdf_drop_obj(dict);
-		pdf_drop_obj(key);
-		pdf_drop_obj(val);
-		fz_rethrow_message(ctx, "cannot parse dict");
-	}
-	return dict;
-}
-
-pdf_obj *
-pdf_parse_stm_obj(pdf_document *xref, fz_stream *file, pdf_lexbuf *buf)
-{
-	pdf_token tok;
-	fz_context *ctx = file->ctx;
-
-	tok = pdf_lex(file, buf);
-
-	switch (tok)
-	{
-	case PDF_TOK_OPEN_ARRAY:
-		return pdf_parse_array(xref, file, buf);
-	case PDF_TOK_OPEN_DICT:
-		return pdf_parse_dict(xref, file, buf);
-	case PDF_TOK_NAME: return pdf_new_name(ctx, buf->scratch); break;
-	case PDF_TOK_REAL: return pdf_new_real(ctx, buf->f); break;
-	case PDF_TOK_STRING: return pdf_new_string(ctx, buf->scratch, buf->len); break;
-	case PDF_TOK_TRUE: return pdf_new_bool(ctx, 1); break;
-	case PDF_TOK_FALSE: return pdf_new_bool(ctx, 0); break;
-	case PDF_TOK_NULL: return pdf_new_null(ctx); break;
-	case PDF_TOK_INT: return pdf_new_int(ctx, buf->i); break;
-	default: fz_throw(ctx, FZ_ERROR_GENERIC, "unknown token in object stream");
-	}
-	return NULL; /* Stupid MSVC */
-}
-
-pdf_obj *
-pdf_parse_ind_obj(pdf_document *xref,
-	fz_stream *file, pdf_lexbuf *buf,
-	int *onum, int *ogen, int *ostmofs)
-{
-	pdf_obj *obj = NULL;
-	int num = 0, gen = 0, stm_ofs;
-	pdf_token tok;
-	int a, b;
-	fz_context *ctx = file->ctx;
-
-	fz_var(obj);
-
-	tok = pdf_lex(file, buf);
-	if (tok != PDF_TOK_INT)
-		fz_throw(ctx, FZ_ERROR_GENERIC, "expected object number");
-	num = buf->i;
-
-	tok = pdf_lex(file, buf);
-	if (tok != PDF_TOK_INT)
-		fz_throw(ctx, FZ_ERROR_GENERIC, "expected generation number (%d ? obj)", num);
-	gen = buf->i;
-
-	tok = pdf_lex(file, buf);
-	if (tok != PDF_TOK_OBJ)
-		fz_throw(ctx, FZ_ERROR_GENERIC, "expected 'obj' keyword (%d %d ?)", num, gen);
-
-	tok = pdf_lex(file, buf);
-
-	switch (tok)
-	{
-	case PDF_TOK_OPEN_ARRAY:
-		obj = pdf_parse_array(xref, file, buf);
-		break;
-
-	case PDF_TOK_OPEN_DICT:
-		obj = pdf_parse_dict(xref, file, buf);
-		break;
-
-	case PDF_TOK_NAME: obj = pdf_new_name(ctx, buf->scratch); break;
-	case PDF_TOK_REAL: obj = pdf_new_real(ctx, buf->f); break;
-	case PDF_TOK_STRING: obj = pdf_new_string(ctx, buf->scratch, buf->len); break;
-	case PDF_TOK_TRUE: obj = pdf_new_bool(ctx, 1); break;
-	case PDF_TOK_FALSE: obj = pdf_new_bool(ctx, 0); break;
-	case PDF_TOK_NULL: obj = pdf_new_null(ctx); break;
-
-	case PDF_TOK_INT:
-		a = buf->i;
-		tok = pdf_lex(file, buf);
-
-		if (tok == PDF_TOK_STREAM || tok == PDF_TOK_ENDOBJ)
-		{
-			obj = pdf_new_int(ctx, a);
-			goto skip;
-		}
-		if (tok == PDF_TOK_INT)
-		{
-			b = buf->i;
-			tok = pdf_lex(file, buf);
-			if (tok == PDF_TOK_R)
-			{
-				obj = pdf_new_indirect(ctx, a, b, xref);
-				break;
-			}
-		}
-		fz_throw(ctx, FZ_ERROR_GENERIC, "expected 'R' keyword (%d %d R)", num, gen);
-
-	case PDF_TOK_ENDOBJ:
-		obj = pdf_new_null(ctx);
-		goto skip;
-
-	default:
-		fz_throw(ctx, FZ_ERROR_GENERIC, "syntax error in object (%d %d R)", num, gen);
-	}
-
-	fz_try(ctx)
-	{
-		tok = pdf_lex(file, buf);
-	}
-	fz_catch(ctx)
-	{
-		pdf_drop_obj(obj);
-		fz_rethrow_message(ctx, "cannot parse indirect object (%d %d R)", num, gen);
-	}
-
-skip:
-	if (tok == PDF_TOK_STREAM)
-	{
-		int c = fz_read_byte(file);
-		while (c == ' ')
-			c = fz_read_byte(file);
-		if (c == '\r')
-		{
-			c = fz_peek_byte(file);
-			if (c != '\n')
-				fz_warn(ctx, "line feed missing after stream begin marker (%d %d R)", num, gen);
-			else
-				fz_read_byte(file);
-		}
-		stm_ofs = fz_tell(file);
-	}
-	else if (tok == PDF_TOK_ENDOBJ)
-	{
-		stm_ofs = 0;
-	}
-	else
-	{
-		fz_warn(ctx, "expected 'endobj' or 'stream' keyword (%d %d R)", num, gen);
-		stm_ofs = 0;
-	}
-
-	if (onum) *onum = num;
-	if (ogen) *ogen = gen;
-	if (ostmofs) *ostmofs = stm_ofs;
-	return obj;
-}