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-rw-r--r--include/X11/fonts/fontenc.h124
-rw-r--r--src/encparse.c954
-rw-r--r--src/fontenc.c947
-rw-r--r--src/fontencI.h46
4 files changed, 2071 insertions, 0 deletions
diff --git a/include/X11/fonts/fontenc.h b/include/X11/fonts/fontenc.h
new file mode 100644
index 0000000..6145314
--- /dev/null
+++ b/include/X11/fonts/fontenc.h
@@ -0,0 +1,124 @@
+/*
+Copyright (c) 1998-2001 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* $XFree86: xc/lib/font/include/fontenc.h,v 1.8 2001/08/13 21:46:48 dawes Exp $ */
+
+/* Header for backend-independent encoding code */
+
+/* An encoding is identified with a name. An encoding contains some
+ global encoding data, such as its size, and a set of mappings.
+ Mappings are identified by their type and two integers, known as
+ pid and eid, the interpretation of which is type dependent. */
+
+#ifndef _FONTENC_H
+#define _FONTENC_H
+
+/* Encoding types. For future extensions, clients should be prepared
+ to ignore unknown encoding types. */
+
+/* 0 is treated specially. */
+
+#define FONT_ENCODING_UNICODE 1
+#define FONT_ENCODING_TRUETYPE 2
+#define FONT_ENCODING_POSTSCRIPT 3
+
+/* This structure represents a mapping, either from numeric codes from
+ numeric codes, or from numeric codes to strings. */
+
+/* It is expected that only one of `recode' and `name' will actually
+ be present. However, having both fields simplifies the interface
+ somewhat. */
+
+typedef struct _FontMap {
+ int type; /* the type of the mapping */
+ int pid, eid; /* the identification of the mapping */
+ unsigned (*recode)(unsigned, void*); /* mapping function */
+ char *(*name)(unsigned, void*); /* function returning glyph names */
+ void *client_data; /* second parameter of the two above */
+ struct _FontMap *next; /* link to next element in list */
+ /* The following was added for version 0.3 of the font interface. */
+ /* It should be kept at the end to preserve binary compatibility. */
+ struct _FontEnc *encoding;
+} FontMapRec, *FontMapPtr;
+
+/* This is the structure that holds all the info for one encoding. It
+ consists of a charset name, its size, and a linked list of mappings
+ like above. */
+
+typedef struct _FontEnc {
+ char *name; /* the name of the encoding */
+ char **aliases; /* its aliases, null terminated */
+ int size; /* its size, either in bytes or rows */
+ int row_size; /* the size of a row, or 0 if bytes */
+ FontMapPtr mappings; /* linked list of mappings */
+ struct _FontEnc *next; /* link to next element */
+ /* the following two were added in version 0.2 of the font interface */
+ /* they should be kept at the end to preserve binary compatibility */
+ int first; /* first byte or row */
+ int first_col; /* first column in each row */
+} FontEncRec, *FontEncPtr;
+
+typedef struct _FontMapReverse {
+ unsigned int (*reverse)(unsigned, void*);
+ void *data;
+} FontMapReverseRec, *FontMapReversePtr;
+
+
+/* Function prototypes */
+
+/* extract an encoding name from an XLFD name. Returns a pointer to a
+ *static* buffer, or NULL */
+char *FontEncFromXLFD(const char*, int);
+
+/* find the encoding data for a given encoding name; second parameter
+ is the filename of the font for which the encoding is needed.
+ Returns NULL on failure. */
+FontEncPtr FontEncFind(const char*, const char*);
+
+/* Find a given mapping for an encoding. This is only a convenience
+ function, as clients are allowed to scavenge the data structures
+ themselves (as the TrueType backend does). */
+
+FontMapPtr FontMapFind(FontEncPtr, int, int, int);
+
+/* Do both in a single step */
+FontMapPtr FontEncMapFind(const char *, int, int, int, const char *);
+
+/* Recode a code. Always succeeds. */
+unsigned FontEncRecode(unsigned, FontMapPtr);
+
+/* Return a name for a code. Returns a string or NULL. */
+char *FontEncName(unsigned, FontMapPtr);
+
+/* Return a pointer to the name of the system encodings directory. */
+/* This string is static and should not be modified. */
+char* FontEncDirectory(void);
+
+/* Identify an encoding file. If fileName doesn't exist, or is not an
+ encoding file, return NULL, otherwise returns a NULL-terminated
+ array of strings. */
+char **FontEncIdentify(const char *fileName);
+
+FontMapReversePtr FontMapReverse(FontMapPtr);
+
+void FontMapReverseFree(FontMapReversePtr);
+#endif
diff --git a/src/encparse.c b/src/encparse.c
new file mode 100644
index 0000000..4c9c31b
--- /dev/null
+++ b/src/encparse.c
@@ -0,0 +1,954 @@
+/*
+Copyright (c) 1998-2001 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* $XFree86: xc/lib/font/fontfile/encparse.c,v 1.18 2001/11/02 03:06:40 dawes Exp $ */
+
+/* Parser for encoding files */
+
+/* This code assumes that we are using ASCII. We don't use the ctype
+ functions, as they depend on the current locale. On the other
+ hand, we do use strcasecmp, but only on strings that we've checked
+ to be pure ASCII. Bloody ``Code Set Independence''. */
+
+#include <string.h>
+#include <stdio.h>
+
+#ifndef FONTENC_NO_LIBFONT
+
+#include "fntfilio.h"
+#include "fntfilst.h"
+
+#else
+
+#include <stdlib.h>
+#define xalloc(n) malloc(n)
+#define xrealloc(p, n) realloc(p, n)
+#define xfree(p) free(p)
+
+#include "zlib.h"
+typedef gzFile FontFilePtr;
+#define FontFileGetc(f) gzgetc(f)
+#define FontFileOpen(filename) gzopen(filename, "rb")
+#define FontFileClose(f) gzclose(f)
+
+#define MAXFONTFILENAMELEN 1024
+#define MAXFONTNAMELEN 1024
+
+#endif
+
+#include "fontenc.h"
+#include "fontencI.h"
+
+#define MAXALIASES 20
+
+#define EOF_TOKEN -1
+#define ERROR_TOKEN -2
+#define EOL_TOKEN 0
+#define NUMBER_TOKEN 1
+#define KEYWORD_TOKEN 2
+
+#define EOF_LINE -1
+#define ERROR_LINE -2
+#define STARTENCODING_LINE 1
+#define STARTMAPPING_LINE 2
+#define ENDMAPPING_LINE 3
+#define CODE_LINE 4
+#define CODE_RANGE_LINE 5
+#define CODE_UNDEFINE_LINE 6
+#define NAME_LINE 7
+#define SIZE_LINE 8
+#define ALIAS_LINE 9
+#define FIRSTINDEX_LINE 10
+
+/* Return from lexer */
+#define MAXKEYWORDLEN 100
+
+static long number_value;
+static char keyword_value[MAXKEYWORDLEN+1];
+
+static long value1, value2, value3;
+
+/* Lexer code */
+
+/* Skip to the beginning of new line */
+static void
+skipEndOfLine(FontFilePtr f, int c)
+{
+ if(c == 0)
+ c = FontFileGetc(f);
+
+ for(;;)
+ if(c <= 0 || c == '\n')
+ return;
+ else
+ c = FontFileGetc(f);
+}
+
+/* Get a number; we're at the first digit. */
+static unsigned
+getnum(FontFilePtr f, int c, int *cp)
+{
+ unsigned n = 0;
+ int base = 10;
+
+ /* look for `0' or `0x' prefix */
+ if(c == '0') {
+ c = FontFileGetc(f);
+ base = 8;
+ if(c == 'x' || c == 'X') {
+ base = 16;
+ c = FontFileGetc(f);
+ }
+ }
+
+ /* accumulate digits */
+ for(;;) {
+ if ('0' <= c && c <= '9') {
+ n *= base; n += c - '0';
+ } else if('a' <= c && c <= 'f') {
+ n *= base; n += c - 'a' + 10;
+ } else if('A' <=c && c <= 'F') {
+ n *= base; n += c - 'A' + 10;
+ } else
+ break;
+ c = FontFileGetc(f);
+ }
+
+ *cp = c; return n;
+}
+
+/* Skip to beginning of new line; return 1 if only whitespace was found. */
+static int
+endOfLine(FontFilePtr f, int c)
+{
+ if(c == 0)
+ c = FontFileGetc(f);
+
+ for(;;) {
+ if(c <= 0 || c == '\n')
+ return 1;
+ else if(c == '#') {
+ skipEndOfLine(f,c);
+ return 1;
+ }
+ else if(c == ' ' || c == '\t') {
+ skipEndOfLine(f,c);
+ return 0;
+ }
+ c = FontFileGetc(f);
+ }
+}
+
+/* Get a token; we're at first char */
+static int
+gettoken(FontFilePtr f, int c, int *cp)
+{
+ char *p;
+
+ if(c <= 0)
+ c = FontFileGetc(f);
+
+ if(c <= 0) {
+ return EOF_TOKEN;
+ }
+
+ while(c == ' ' || c == '\t')
+ c = FontFileGetc(f);
+
+ if(c=='\n') {
+ return EOL_TOKEN;
+ } else if(c == '#') {
+ skipEndOfLine(f,c);
+ return EOL_TOKEN;
+ } else if(c >= '0' && c <= '9') {
+ number_value = getnum(f,c,cp);
+ return NUMBER_TOKEN;
+ } else if((c >= 'A' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') ||
+ c == '/' || c == '_' || c == '-' || c == '.') {
+ p = keyword_value;
+ *p++ = c;
+ while(p-keyword_value < MAXKEYWORDLEN) {
+ c = FontFileGetc(f);
+ if(c <= ' ' || c > '~' || c == '#')
+ break;
+ *p++ = c;
+ }
+ *cp = c;
+ *p = '\0';
+ return KEYWORD_TOKEN;
+ } else {
+ *cp = c;
+ return ERROR_TOKEN;
+ }
+}
+
+/* Parse a line.
+ * Always skips to the beginning of a new line, even if an error occurs */
+static int
+getnextline(FontFilePtr f)
+{
+ int c, token;
+ c = FontFileGetc(f);
+ if(c <= 0)
+ return EOF_LINE;
+
+ again:
+ token=gettoken(f,c,&c);
+
+ switch(token) {
+ case EOF_TOKEN:
+ return EOF_LINE;
+ case EOL_TOKEN:
+ /* empty line */
+ c = FontFileGetc(f);
+ goto again;
+ case NUMBER_TOKEN:
+ value1 = number_value;
+ token = gettoken(f,c,&c);
+ switch(token) {
+ case NUMBER_TOKEN:
+ value2 = number_value;
+ token = gettoken(f,c,&c);
+ switch(token) {
+ case NUMBER_TOKEN:
+ value3 = number_value;
+ return CODE_RANGE_LINE;
+ case EOL_TOKEN:
+ return CODE_LINE;
+ default:
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ case KEYWORD_TOKEN:
+ if(!endOfLine(f,c))
+ return ERROR_LINE;
+ else
+ return NAME_LINE;
+ default:
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ case KEYWORD_TOKEN:
+ if(!strcasecmp(keyword_value, "STARTENCODING")) {
+ token = gettoken(f,c,&c);
+ if(token == KEYWORD_TOKEN) {
+ if(endOfLine(f,c))
+ return STARTENCODING_LINE;
+ else
+ return ERROR_LINE;
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "ALIAS")) {
+ token = gettoken(f,c,&c);
+ if(token == KEYWORD_TOKEN) {
+ if(endOfLine(f,c))
+ return ALIAS_LINE;
+ else
+ return ERROR_LINE;
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "SIZE")) {
+ token = gettoken(f,c,&c);
+ if(token == NUMBER_TOKEN) {
+ value1 = number_value;
+ token = gettoken(f,c,&c);
+ switch(token) {
+ case NUMBER_TOKEN:
+ value2 = number_value;
+ return SIZE_LINE;
+ case EOL_TOKEN:
+ value2=0;
+ return SIZE_LINE;
+ default:
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "FIRSTINDEX")) {
+ token = gettoken(f,c,&c);
+ if(token == NUMBER_TOKEN) {
+ value1 = number_value;
+ token = gettoken(f,c,&c);
+ switch(token) {
+ case NUMBER_TOKEN:
+ value2 = number_value;
+ return FIRSTINDEX_LINE;
+ case EOL_TOKEN:
+ value2 = 0;
+ return FIRSTINDEX_LINE;
+ default:
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "STARTMAPPING")) {
+ keyword_value[0] = 0;
+ value1 = 0; value1 = 0;
+ /* first a keyword */
+ token = gettoken(f,c,&c);
+ if(token != KEYWORD_TOKEN) {
+ skipEndOfLine(f, c);
+ return ERROR_LINE;
+ }
+
+ /* optional first integer */
+ token = gettoken(f,c,&c);
+ if(token == NUMBER_TOKEN) {
+ value1 = number_value;
+ } else if(token == EOL_TOKEN) {
+ return STARTMAPPING_LINE;
+ } else {
+ skipEndOfLine(f, c);
+ return ERROR_LINE;
+ }
+
+ /* optional second integer */
+ token = gettoken(f,c,&c);
+ if(token == NUMBER_TOKEN) {
+ value2 = number_value;
+ } else if(token == EOL_TOKEN) {
+ return STARTMAPPING_LINE;
+ } else {
+ skipEndOfLine(f, c);
+ return ERROR_LINE;
+ }
+
+ if(!endOfLine(f,c))
+ return ERROR_LINE;
+ else {
+ return STARTMAPPING_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "UNDEFINE")) {
+ /* first integer */
+ token = gettoken(f,c,&c);
+ if(token != NUMBER_TOKEN) {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ value1 = number_value;
+ /* optional second integer */
+ token = gettoken(f,c,&c);
+ if(token == EOL_TOKEN) {
+ value2 = value1;
+ return CODE_UNDEFINE_LINE;
+ } else if(token == NUMBER_TOKEN) {
+ value2 = number_value;
+ if(endOfLine(f,c)) {
+ return CODE_UNDEFINE_LINE;
+ } else
+ return ERROR_LINE;
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ } else if(!strcasecmp(keyword_value, "ENDENCODING")) {
+ if(endOfLine(f,c))
+ return EOF_LINE;
+ else
+ return ERROR_LINE;
+ } else if(!strcasecmp(keyword_value, "ENDMAPPING")) {
+ if(endOfLine(f,c))
+ return ENDMAPPING_LINE;
+ else
+ return ERROR_LINE;
+ } else {
+ skipEndOfLine(f,c);
+ return ERROR_LINE;
+ }
+ default:
+ return ERROR_LINE;
+ }
+}
+
+static void
+install_mapping(FontEncPtr encoding, FontMapPtr mapping)
+{
+ FontMapPtr m;
+
+ if(encoding->mappings == NULL)
+ encoding->mappings = mapping;
+ else {
+ m = encoding->mappings;
+ while(m->next != NULL)
+ m = m->next;
+ m->next = mapping;
+ }
+ mapping->next = NULL;
+ mapping->encoding = encoding;
+}
+
+static int
+setCode(unsigned from, unsigned to, unsigned row_size,
+ unsigned *first, unsigned *last,
+ unsigned *encsize, unsigned short **enc)
+{
+ unsigned index, i;
+ unsigned short *newenc;
+
+ if(from>0xFFFF)
+ return 0; /* success */
+
+ if(row_size==0)
+ index=from;
+ else {
+ if((value1 & 0xFF) >= row_size)
+ return 0; /* ignore out of range mappings */
+ index = (from>>8) * row_size + (from&0xFF);
+ }
+
+ /* Optimize away useless identity mappings. This is only expected
+ to be useful with linear encodings. */
+ if(index == to && (index < *first || index > *last))
+ return 0;
+ if(*encsize == 0) {
+ *encsize = (index < 256) ? 256 : 0x10000;
+ *enc = (unsigned short*)xalloc((*encsize) * sizeof(unsigned short));
+ if(*enc == NULL) {
+ *encsize = 0;
+ return 1;
+ }
+ } else if(*encsize <= index) {
+ *encsize = 0x10000;
+ if((newenc = (unsigned short*)xrealloc(enc, *encsize))==NULL)
+ return 1;
+ *enc = newenc;
+ }
+ if(*first > *last) {
+ *first = *last = index;
+ }
+ if(index < *first) {
+ for(i = index; i < *first; i++)
+ (*enc)[i] = i;
+ *first = index;
+ }
+ if(index > *last) {
+ for(i = *last + 1; i <= index; i++)
+ (*enc)[i] = i;
+ *last = index;
+ }
+ (*enc)[index] = to;
+ return 0;
+}
+
+/* Parser. If headerOnly is true, we're only interested in the
+ data contained in the encoding file's header. */
+
+/* As font encodings are currently never freed, the allocations done
+ by this function are mostly its private business. Note, however,
+ that FontEncIdentify needs to free the header fields -- so if you
+ change this function, you may need to change FontEncIdentify. */
+
+/* I want a garbage collector. */
+
+static FontEncPtr
+parseEncodingFile(FontFilePtr f, int headerOnly)
+{
+ int line;
+
+ unsigned short *enc=NULL;
+ char **nam = NULL, **newnam;
+ unsigned i, first = 0xFFFF, last=0, encsize=0, namsize=0;
+ FontEncPtr encoding = NULL;
+ FontMapPtr mapping = NULL;
+ FontEncSimpleMapPtr sm;
+ FontEncSimpleNamePtr sn;
+ char *aliases[MAXALIASES];
+ int numaliases=0;
+
+#if 0
+ /* GCC complains about unused labels. Please fix GCC rather than
+ obfuscating my code. */
+ no_encoding:
+#endif
+ line = getnextline(f);
+ switch(line) {
+ case EOF_LINE:
+ goto error;
+ case STARTENCODING_LINE:
+ encoding = (FontEncPtr)xalloc(sizeof(FontEncRec));
+ if(encoding == NULL)
+ goto error;
+ encoding->name = (char*)xalloc(strlen(keyword_value)+1);
+ if(encoding->name == NULL)
+ goto error;
+ strcpy(encoding->name, keyword_value);
+ encoding->size = 256;
+ encoding->row_size = 0;
+ encoding->mappings = NULL;
+ encoding->next = NULL;
+ encoding->first = encoding->first_col=0;
+ goto no_mapping;
+ default:
+ goto error;
+ }
+
+ no_mapping:
+ line = getnextline(f);
+ switch(line) {
+ case EOF_LINE: goto done;
+ case ALIAS_LINE:
+ if(numaliases < MAXALIASES) {
+ aliases[numaliases] = (char*)xalloc(strlen(keyword_value)+1);
+ if(aliases[numaliases] == NULL)
+ goto error;
+ strcpy(aliases[numaliases], keyword_value);
+ numaliases++;
+ }
+ goto no_mapping;
+ case SIZE_LINE:
+ encoding->size = value1;
+ encoding->row_size = value2;
+ goto no_mapping;
+ case FIRSTINDEX_LINE:
+ encoding->first = value1;
+ encoding->first_col = value2;
+ goto no_mapping;
+ case STARTMAPPING_LINE:
+ if(headerOnly)
+ goto done;
+ if(!strcasecmp(keyword_value, "unicode")) {
+ mapping = (FontMapPtr)xalloc(sizeof(FontMapRec));
+ if(mapping == NULL)
+ goto error;
+ mapping->type = FONT_ENCODING_UNICODE;
+ mapping->pid = 0;
+ mapping->eid = 0;
+ mapping->recode = 0;
+ mapping->name = 0;
+ mapping->client_data = 0;
+ mapping->next = 0;
+ goto mapping;
+ } else if(!strcasecmp(keyword_value, "cmap")) {
+ mapping = (FontMapPtr)xalloc(sizeof(FontMapRec));
+ if(mapping == NULL)
+ goto error;
+ mapping->type = FONT_ENCODING_TRUETYPE;
+ mapping->pid = value1;
+ mapping->eid = value2;
+ mapping->recode = 0;
+ mapping->name = 0;
+ mapping->client_data = 0;
+ mapping->next = 0;
+ goto mapping;
+ } else if(!strcasecmp(keyword_value, "postscript")) {
+ mapping = (FontMapPtr)xalloc(sizeof(FontMapRec));
+ if(mapping == NULL)
+ goto error;
+ mapping->type = FONT_ENCODING_POSTSCRIPT;
+ mapping->pid = 0;
+ mapping->eid = 0;
+ mapping->recode = 0;
+ mapping->name = 0;
+ mapping->client_data = 0;
+ mapping->next = 0;
+ goto string_mapping;
+ } else { /* unknown mapping type -- ignore */
+ goto skipmapping;
+ }
+ /* NOTREACHED */
+ goto error;
+ default: goto no_mapping; /* ignore unknown lines */
+ }
+
+ skipmapping:
+ line = getnextline(f);
+ switch(line) {
+ case ENDMAPPING_LINE:
+ goto no_mapping;
+ case EOF_LINE:
+ goto error;
+ default:
+ goto skipmapping;
+ }
+
+ mapping:
+ line = getnextline(f);
+ switch(line) {
+ case EOF_LINE: goto error;
+ case ENDMAPPING_LINE:
+ mapping->recode = FontEncSimpleRecode;
+ mapping->name = FontEncUndefinedName;
+ mapping->client_data = sm =
+ (FontEncSimpleMapPtr)xalloc(sizeof(FontEncSimpleMapRec));
+ if(sm == NULL)
+ goto error;
+ sm->row_size = encoding->row_size;
+ if(first <= last) {
+ sm->first = first;
+ sm->len=last-first+1;
+ sm->map =
+ (unsigned short*)xalloc(sm->len * sizeof(unsigned short));
+ if(sm->map == NULL) {
+ xfree(sm);
+ mapping->client_data = sm = NULL;
+ goto error;
+ }
+ } else {
+ sm->first = 0;
+ sm->len = 0;
+ sm->map = 0;
+ }
+ for(i=0; i < sm->len; i++)
+ sm -> map[i] = enc[first+i];
+ install_mapping(encoding, mapping);
+ mapping = 0;
+ first = 0xFFFF; last=0;
+ goto no_mapping;
+
+ case CODE_LINE:
+ if(setCode(value1, value2, encoding->row_size,
+ &first, &last, &encsize, &enc))
+ goto error;
+ goto mapping;
+
+ case CODE_RANGE_LINE:
+ if(value1 > 0x10000)
+ value1 = 0x10000;
+ if(value2 > 0x10000)
+ value2 = 0x10000;
+ if(value2 < value1)
+ goto mapping;
+ /* Do the last value first to avoid having to realloc() */
+ if(setCode(value2, value3+(value2-value1), encoding->row_size,
+ &first, &last, &encsize, &enc))
+ goto error;
+ for(i=value1; i<value2; i++) {
+ if(setCode(i, value3+(i-value1), encoding->row_size,
+ &first, &last, &encsize, &enc))
+ goto error;
+ }
+ goto mapping;
+
+ case CODE_UNDEFINE_LINE:
+ if(value1 > 0x10000)
+ value1 = 0x10000;
+ if(value2 > 0x10000)
+ value2 = 0x10000;
+ if(value2 < value1)
+ goto mapping;
+ /* Do the last value first to avoid having to realloc() */
+ if(setCode(value2, 0, encoding->row_size,
+ &first, &last, &encsize, &enc))
+ goto error;
+ for(i = value1; i < value2; i++) {
+ if(setCode(i, 0, encoding->row_size,
+ &first, &last, &encsize, &enc))
+ goto error;
+ }
+ goto mapping;
+
+ default: goto mapping; /* ignore unknown lines */
+ }
+
+ string_mapping:
+ line = getnextline(f);
+ switch(line) {
+ case EOF_LINE: goto error;
+ case ENDMAPPING_LINE:
+ mapping->recode = FontEncUndefinedRecode;
+ mapping->name = FontEncSimpleName;
+ mapping->client_data = sn =
+ (FontEncSimpleNamePtr)xalloc(sizeof(FontEncSimpleNameRec));
+ if(sn == NULL)
+ goto error;
+ if(first > last) {
+ xfree(sn);
+ mapping->client_data = sn = NULL;
+ goto error;
+ }
+ sn->first = first;
+ sn->len = last - first + 1;
+ sn->map = (char**)xalloc(sn->len*sizeof(char*));
+ if(sn->map == NULL) {
+ xfree(sn);
+ mapping->client_data = sn = NULL;
+ goto error;
+ }
+ for(i = 0; i < sn->len; i++)
+ sn->map[i] = nam[first+i];
+ install_mapping(encoding,mapping);
+ mapping = 0;
+ first = 0xFFFF; last=0;
+ goto no_mapping;
+ case NAME_LINE:
+ if(value1 >= 0x10000) goto string_mapping;
+ if(namsize == 0) {
+ namsize = (value1) < 256 ? 256 : 0x10000;
+ nam = (char**)xalloc(namsize * sizeof(char*));
+ if(nam == NULL) {
+ namsize=0;
+ goto error;
+ }
+ } else if(namsize <= value1) {
+ namsize = 0x10000;
+ if((newnam = (char**)xrealloc(nam, namsize)) == NULL)
+ goto error;
+ nam = newnam;
+ }
+ if(first > last) {
+ first = last = value1;
+ }
+ if(value1 < first) {
+ for(i = value1; i < first; i++)
+ nam[i] = NULL;
+ first = value1;
+ }
+ if(value1 > last) {
+ for(i=last+1; i <= value1; i++)
+ nam[i]=NULL;
+ last = value1;
+ }
+ nam[value1] = (char*)xalloc(strlen(keyword_value)+1);
+ if(nam[value1] == NULL) {
+ goto error;
+ }
+ strcpy(nam[value1], keyword_value);
+ goto string_mapping;
+
+ default: goto string_mapping; /* ignore unknown lines */
+ }
+
+ done:
+ if(encsize) xfree(enc); encsize=0; enc = NULL;
+ if(namsize) xfree(nam); namsize=0; nam = NULL; /* don't free entries! */
+
+ encoding->aliases=NULL;
+ if(numaliases) {
+ encoding->aliases = (char**)xalloc((numaliases+1)*sizeof(char*));
+ if(encoding->aliases == NULL)
+ goto error;
+ for(i=0; i<numaliases; i++)
+ encoding->aliases[i] = aliases[i];
+ encoding->aliases[numaliases]=NULL;
+ }
+
+ return encoding;
+
+error:
+ if(encsize) xfree(enc); encsize=0;
+ if(namsize) {
+ for(i = first; i <= last; i++)
+ if(nam[i])
+ xfree(nam[i]);
+ xfree(nam);
+ namsize = 0;
+ }
+ if(mapping) {
+ if(mapping->client_data) xfree(mapping->client_data);
+ xfree(mapping);
+ }
+ if(encoding) {
+ if(encoding->name) xfree(encoding->name);
+ for(mapping = encoding->mappings; mapping; mapping = mapping->next) {
+ if(mapping->client_data) xfree(mapping->client_data);
+ xfree(mapping);
+ }
+ xfree(encoding);
+ }
+ for(i = 0; i < numaliases; i++)
+ xfree(aliases[i]);
+ /* We don't need to free sn and sm as they handled locally in the body.*/
+ return 0;
+}
+
+char*
+FontEncDirectory()
+{
+ static char* dir = NULL;
+
+ if(dir == NULL) {
+ char *c = getenv("FONT_ENCODINGS_DIRECTORY");
+ if(c) {
+ dir = malloc(strlen(c) + 1);
+ if(!dir)
+ return NULL;
+ strcpy(dir, c);
+ } else {
+ dir = FONT_ENCODINGS_DIRECTORY;
+ }
+ }
+ return dir;
+}
+
+static void
+parseFontFileName(const char *fontFileName, char *buf, char *dir)
+{
+ const char *p;
+ char *q, *lastslash;
+
+ for(p = fontFileName, q = dir, lastslash = NULL; *p; p++, q++) {
+ *q = *p;
+ if(*p == '/')
+ lastslash = q+1;
+ }
+
+ if(!lastslash)
+ lastslash = dir;
+
+ *lastslash = '\0';
+
+ if(buf && strlen(dir) + 14 < MAXFONTFILENAMELEN) {
+ strcpy(buf, dir);
+ strcat(buf, "encodings.dir");
+ }
+}
+
+static FontEncPtr
+FontEncReallyReallyLoad(const char *charset,
+ const char *dirname, const char *dir)
+{
+ FontFilePtr f;
+ FILE *file;
+ FontEncPtr encoding;
+ char file_name[MAXFONTFILENAMELEN], encoding_name[MAXFONTNAMELEN],
+ buf[MAXFONTFILENAMELEN];
+ int count, n;
+
+ /* As we don't really expect to open encodings that often, we don't
+ take the trouble of caching encodings directories. */
+
+ if((file = fopen(dirname, "r")) == NULL) {
+ return NULL;
+ }
+
+ count = fscanf(file, "%d\n", &n);
+ if(count == EOF || count != 1) {
+ fclose(file);
+ return NULL;
+ }
+
+ encoding = NULL;
+ for(;;) {
+ count = fscanf(file, "%s %[^\n]\n", encoding_name, file_name);
+ if(count == EOF)
+ break;
+ if(count != 2)
+ break;
+
+ if(!strcasecmp(encoding_name, charset)) {
+ /* Found it */
+ if(file_name[0] != '/') {
+ if(strlen(dir) + strlen(file_name) >= MAXFONTFILENAMELEN)
+ return NULL;
+ strcpy(buf, dir);
+ strcat(buf, file_name);
+ } else {
+ strcpy(buf , file_name);
+ }
+
+ f = FontFileOpen(buf);
+ if(f == NULL) {
+ return NULL;
+ }
+ encoding = parseEncodingFile(f, 0);
+ FontFileClose(f);
+ break;
+ }
+ }
+
+ fclose(file);
+
+ return encoding;
+}
+
+/* Parser ntrypoint -- used by FontEncLoad */
+FontEncPtr
+FontEncReallyLoad(const char *charset, const char *fontFileName)
+{
+ FontEncPtr encoding;
+ char dir[MAXFONTFILENAMELEN], dirname[MAXFONTFILENAMELEN];
+ char *d;
+
+ if(fontFileName) {
+ parseFontFileName(fontFileName, dirname, dir);
+ encoding = FontEncReallyReallyLoad(charset, dirname, dir);
+ if(encoding)
+ return(encoding);
+ }
+
+ d = FontEncDirectory();
+ if(d) {
+ parseFontFileName(d, NULL, dir);
+ encoding = FontEncReallyReallyLoad(charset, d, dir);
+ return encoding;
+ }
+
+ return NULL;
+}
+
+/* Return a NULL-terminated array of encoding names. Note that this
+ * function has incestuous knowledge of the allocations done by
+ * parseEncodingFile. */
+
+char **
+FontEncIdentify(const char *fileName)
+{
+ FontFilePtr f;
+ FontEncPtr encoding;
+ char **names, **name, **alias;
+ int numaliases;
+
+ if((f = FontFileOpen(fileName))==NULL) {
+ return NULL;
+ }
+ encoding = parseEncodingFile(f, 1);
+ FontFileClose(f);
+
+ if(!encoding)
+ return NULL;
+
+ numaliases = 0;
+ if(encoding->aliases)
+ for(alias = encoding->aliases; *alias; alias++)
+ numaliases++;
+
+ names = (char**)xalloc((numaliases+2)*sizeof(char*));
+ if(names == NULL) {
+ if(encoding->aliases)
+ xfree(encoding->aliases);
+ xfree(encoding);
+ return NULL;
+ }
+
+ name = names;
+ *(name++) = encoding->name;
+ if(numaliases > 0)
+ for(alias = encoding->aliases; *alias; alias++, name++)
+ *name = *alias;
+
+ *name = 0;
+ xfree(encoding->aliases);
+ xfree(encoding);
+
+ return names;
+}
diff --git a/src/fontenc.c b/src/fontenc.c
new file mode 100644
index 0000000..247cc0a
--- /dev/null
+++ b/src/fontenc.c
@@ -0,0 +1,947 @@
+/*
+Copyright (c) 1998-2001 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* $XFree86: xc/lib/font/fontfile/fontenc.c,v 1.15 2003/02/20 03:25:19 dawes Exp $ */
+
+/* Backend-independent encoding code */
+
+#include <string.h>
+
+#ifndef FONTENC_NO_LIBFONT
+
+#include "fontmisc.h" /* defines xalloc and friends */
+#include "fntfilst.h"
+
+#else
+
+#include <stdlib.h>
+#define xalloc(n) malloc(n)
+#define xrealloc(p, n) realloc(p, n)
+#define xfree(p) free(p)
+#define FALSE 0
+#define TRUE 1
+#define MAXFONTNAMELEN 1024
+#define MAXFONTFILENAMELEN 1024
+
+#endif /* FONTENC_NO_FONTFILE */
+
+#include "fontenc.h"
+#include "fontencI.h"
+
+/* Functions local to this file */
+
+static FontEncPtr FontEncLoad(const char*, const char*);
+
+/* Early versions of this code only knew about hardwired encodings,
+ hence the following data. Now that the code knows how to load an
+ encoding from a file, most of these tables could go away. */
+
+/* At any rate, no new hardcoded encodings will be added. */
+
+static FontMapRec iso10646[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,0,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* Notice that the Apple encodings do not have all the characters in
+ the corresponding ISO 8859, and therefore the table has some holes.
+ There's not much more we can do with fonts without a Unicode cmap
+ unless we are willing to combine cmaps (which we are not). */
+
+static unsigned short
+iso8859_1_apple_roman[]=
+{ 0xCA, 0xC1, 0xA2, 0xA3, 0xDB, 0xB4, 0x00, 0xA4,
+ 0xAC, 0xA9, 0xBB, 0xC7, 0xC2, 0x00, 0xA8, 0xF8,
+ 0xA1, 0xB1, 0x00, 0x00, 0xAB, 0xB5, 0xA6, 0xE1,
+ 0xFC, 0x00, 0xBC, 0xC8, 0x00, 0x00, 0x00, 0xC0,
+ 0xCB, 0xE7, 0xE5, 0xCC, 0x80, 0x81, 0xAE, 0x82,
+ 0xE9, 0x83, 0xE6, 0xE8, 0xED, 0xEA, 0xEB, 0xEC,
+ 0x00, 0x84, 0xF1, 0xEE, 0xEF, 0xCD, 0x85, 0x00,
+ 0xAF, 0xF4, 0xF2, 0xF3, 0x86, 0x00, 0x00, 0xA7,
+ 0x88, 0x87, 0x89, 0x8B, 0x8A, 0x8C, 0xBE, 0x8D,
+ 0x8F, 0x8E, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
+ 0x00, 0x96, 0x98, 0x97, 0x99, 0x9B, 0x9A, 0xD6,
+ 0xBF, 0x9D, 0x9C, 0x9E, 0x9F, 0x00, 0x00, 0xD8 };
+
+/* Cannot use simple_recode because need to eliminate 0x80<=code<0xA0 */
+static unsigned
+iso8859_1_to_apple_roman(unsigned isocode, void *client_data)
+{
+ if(isocode<=0x80)
+ return isocode;
+ else if(isocode>=0xA0)
+ return iso8859_1_apple_roman[isocode-0xA0];
+ else
+ return 0;
+}
+
+static FontMapRec iso8859_1[]=
+{
+ {FONT_ENCODING_TRUETYPE,2,2,0,0,0,0}, /* ISO 8859-1 */
+ {FONT_ENCODING_UNICODE,0,0,0,0,0,0}, /* ISO 8859-1 coincides with Unicode*/
+ {FONT_ENCODING_TRUETYPE,1,0,iso8859_1_to_apple_roman,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned short iso8859_2_tophalf[]=
+{ 0x00A0, 0x0104, 0x02D8, 0x0141, 0x00A4, 0x013D, 0x015A, 0x00A7,
+ 0x00A8, 0x0160, 0x015E, 0x0164, 0x0179, 0x00AD, 0x017D, 0x017B,
+ 0x00B0, 0x0105, 0x02DB, 0x0142, 0x00B4, 0x013E, 0x015B, 0x02C7,
+ 0x00B8, 0x0161, 0x015F, 0x0165, 0x017A, 0x02DD, 0x017E, 0x017C,
+ 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+ 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+ 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+ 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+ 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+ 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+ 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+ 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9 };
+
+static FontEncSimpleMapRec iso8859_2_to_unicode_map=
+{0x60, 0, 0xA0, iso8859_2_tophalf };
+
+static unsigned short iso8859_2_apple_centeuro[]=
+{ 0xCA, 0x84, 0x00, 0xFC, 0x00, 0xBB, 0xE5, 0xA4,
+ 0xAC, 0xE1, 0x00, 0xE8, 0x8F, 0x00, 0xEB, 0xFB,
+ 0xA1, 0x88, 0x00, 0xB8, 0x00, 0xBC, 0xE6, 0xFF,
+ 0x00, 0xE4, 0x00, 0xE9, 0x90, 0x00, 0xEC, 0xFD,
+ 0xD9, 0xE7, 0x00, 0x00, 0x80, 0xBD, 0x8C, 0x00,
+ 0x89, 0x83, 0xA2, 0x00, 0x9D, 0xEA, 0x00, 0x91,
+ 0x00, 0xC1, 0xC5, 0xEE, 0xEF, 0xCC, 0x85, 0x00,
+ 0xDB, 0xF1, 0xF2, 0xF4, 0x86, 0xF8, 0x00, 0xA7,
+ 0xDA, 0x87, 0x00, 0x00, 0x8A, 0xBE, 0x8D, 0x00,
+ 0x8B, 0x8E, 0xAB, 0x00, 0x9E, 0x92, 0x00, 0x93,
+ 0x00, 0xC4, 0xCB, 0x97, 0x99, 0xCE, 0x9A, 0xD6,
+ 0xDE, 0xF3, 0x9C, 0xF5, 0x9F, 0xF9, 0x00, 0x00 };
+
+static unsigned
+iso8859_2_to_apple_centeuro(unsigned isocode, void *client_data)
+{
+ if(isocode<=0x80)
+ return isocode;
+ else if(isocode>=0xA0)
+ return iso8859_2_apple_centeuro[isocode-0xA0];
+ else
+ return 0;
+}
+
+
+static FontMapRec iso8859_2[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,
+ FontEncSimpleRecode,0,&iso8859_2_to_unicode_map,0},
+ {FONT_ENCODING_TRUETYPE,1,29,iso8859_2_to_apple_centeuro,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned short iso8859_3_tophalf[]=
+{ 0x00A0, 0x0126, 0x02D8, 0x00A3, 0x00A4, 0x0000, 0x0124, 0x00A7,
+ 0x00A8, 0x0130, 0x015E, 0x011E, 0x0134, 0x00AD, 0x0000, 0x017B,
+ 0x00B0, 0x0127, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x0125, 0x00B7,
+ 0x00B8, 0x0131, 0x015F, 0x011F, 0x0135, 0x00BD, 0x0000, 0x017C,
+ 0x00C0, 0x00C1, 0x00C2, 0x0000, 0x00C4, 0x010A, 0x0108, 0x00C7,
+ 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+ 0x0000, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x0120, 0x00D6, 0x00D7,
+ 0x011C, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x016C, 0x015C, 0x00DF,
+ 0x00E0, 0x00E1, 0x00E2, 0x0000, 0x00E4, 0x010B, 0x0109, 0x00E7,
+ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+ 0x0000, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x0121, 0x00F6, 0x00F7,
+ 0x011D, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x016D, 0x015D, 0x02D9};
+
+static FontEncSimpleMapRec iso8859_3_to_unicode_map=
+{ 0x60, 0, 0xA0, iso8859_3_tophalf };
+
+static FontMapRec iso8859_3[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,
+ FontEncSimpleRecode,0,&iso8859_3_to_unicode_map,0},
+ {0,0,0,0,0,0,0}
+};
+
+
+static unsigned short iso8859_4_tophalf[]=
+{ 0x00A0, 0x0104, 0x0138, 0x0156, 0x00A4, 0x0128, 0x013B, 0x00A7,
+ 0x00A8, 0x0160, 0x0112, 0x0122, 0x0166, 0x00AD, 0x017D, 0x00AF,
+ 0x00B0, 0x0105, 0x02DB, 0x0157, 0x00B4, 0x0129, 0x013C, 0x02C7,
+ 0x00B8, 0x0161, 0x0113, 0x0123, 0x0167, 0x014A, 0x017E, 0x014B,
+ 0x0100, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x012E,
+ 0x010C, 0x00C9, 0x0118, 0x00CB, 0x0116, 0x00CD, 0x00CE, 0x012A,
+ 0x0110, 0x0145, 0x014C, 0x0136, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+ 0x00D8, 0x0172, 0x00DA, 0x00DB, 0x00DC, 0x0168, 0x016A, 0x00DF,
+ 0x0101, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x012F,
+ 0x010D, 0x00E9, 0x0119, 0x00EB, 0x0117, 0x00ED, 0x00EE, 0x012B,
+ 0x0111, 0x0146, 0x014D, 0x0137, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+ 0x00F8, 0x0173, 0x00FA, 0x00FB, 0x00FC, 0x0169, 0x016B, 0x02D9,
+};
+
+static FontEncSimpleMapRec iso8859_4_to_unicode_map=
+{ 0x60, 0, 0xA0, iso8859_4_tophalf };
+
+static FontMapRec iso8859_4[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,FontEncSimpleRecode,0,
+ &iso8859_4_to_unicode_map,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned short iso8859_5_tophalf[]=
+{ 0x00A0, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407,
+ 0x0408, 0x0409, 0x040A, 0x040B, 0x040C, 0x00AD, 0x040E, 0x040F,
+ 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+ 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+ 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+ 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+ 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+ 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+ 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+ 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+ 0x2116, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457,
+ 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x00A7, 0x045E, 0x045F};
+
+static FontEncSimpleMapRec iso8859_5_to_unicode_map=
+{ 0x60, 0, 0xA0, iso8859_5_tophalf };
+
+static unsigned short
+iso8859_5_apple_cyrillic[]=
+{ 0xCA, 0xDD, 0xAB, 0xAE, 0xB8, 0xC1, 0xA7, 0xBA,
+ 0xB7, 0xBC, 0xBE, 0xCB, 0xCD, 0x00, 0xD8, 0xDA,
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+ 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
+ 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
+ 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
+ 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
+ 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xDF,
+ 0xDC, 0xDE, 0xAC, 0xAF, 0xB9, 0xCF, 0xB4, 0xBB,
+ 0xC0, 0xBD, 0xBF, 0xCC, 0xCE, 0xA4, 0xD9, 0xDB };
+
+static unsigned
+iso8859_5_to_apple_cyrillic(unsigned isocode, void *client_data)
+{
+ if(isocode<=0x80)
+ return isocode;
+ else if(isocode>=0xA0)
+ return iso8859_5_apple_cyrillic[isocode-0x80];
+ else return 0;
+}
+
+static FontMapRec iso8859_5[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,FontEncSimpleRecode,0,
+ &iso8859_5_to_unicode_map,0},
+ {FONT_ENCODING_TRUETYPE,1,7,iso8859_5_to_apple_cyrillic,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* ISO 8859-6 seems useless for serving fonts (not enough presentation
+ * forms). What do Arabic-speakers use? */
+
+static unsigned
+iso8859_6_to_unicode(unsigned isocode, void *client_data)
+{
+ if(isocode<=0xA0 || isocode==0xA4 || isocode==0xAD)
+ return isocode;
+ else if(isocode==0xAC || isocode==0xBB ||
+ (isocode>=0xBF && isocode<=0xDA) ||
+ (isocode>=0xE0 && isocode<=0xEF) ||
+ (isocode>=0xF0 && isocode<=0xF2))
+ return isocode-0xA0+0x0600;
+ else
+ return 0;
+}
+
+static FontMapRec iso8859_6[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,iso8859_6_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned
+iso8859_7_to_unicode(unsigned isocode, void *client_data)
+{
+ if(isocode<=0xA0 ||
+ (isocode>=0xA3 && isocode<=0xAD) ||
+ (isocode>=0xB0 && isocode<=0xB3) ||
+ isocode==0xB7 || isocode==0xBB || isocode==0xBD)
+ return isocode;
+ else if(isocode==0xA1)
+ return 0x02BD;
+ else if(isocode==0xA2)
+ return 0x02BC;
+ else if(isocode==0xAF)
+ return 0x2015;
+ else if(isocode>=0xB4)
+ return isocode-0xA0+0x0370;
+ else
+ return 0;
+}
+
+static FontMapRec iso8859_7[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,iso8859_7_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned
+iso8859_8_to_unicode(unsigned isocode, void *client_data)
+{
+ if(isocode==0xA1)
+ return 0;
+ else if(isocode<0xBF)
+ return isocode;
+ else if(isocode==0xDF)
+ return 0x2017;
+ else if(isocode>=0xE0 && isocode<=0xFA)
+ return isocode+0x04F0;
+ else
+ return 0;
+}
+
+static FontMapRec iso8859_8[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,iso8859_8_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned
+iso8859_9_to_unicode(unsigned isocode, void *client_data)
+{
+ switch(isocode) {
+ case 0xD0: return 0x011E;
+ case 0xDD: return 0x0130;
+ case 0xDE: return 0x015E;
+ case 0xF0: return 0x011F;
+ case 0xFD: return 0x0131;
+ case 0xFE: return 0x015F;
+ default: return isocode;
+ }
+}
+
+static FontMapRec iso8859_9[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,iso8859_9_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned short iso8859_10_tophalf[]=
+{ 0x00A0, 0x0104, 0x0112, 0x0122, 0x012A, 0x0128, 0x0136, 0x00A7,
+ 0x013B, 0x0110, 0x0160, 0x0166, 0x017D, 0x00AD, 0x016A, 0x014A,
+ 0x00B0, 0x0105, 0x0113, 0x0123, 0x012B, 0x0129, 0x0137, 0x00B7,
+ 0x013C, 0x0111, 0x0161, 0x0167, 0x017E, 0x2014, 0x016B, 0x014B,
+ 0x0100, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x012E,
+ 0x010C, 0x00C9, 0x0118, 0x00CB, 0x0116, 0x00CD, 0x00CE, 0x00CF,
+ 0x00D0, 0x0145, 0x014C, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x0168,
+ 0x00D8, 0x0172, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+ 0x0101, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x012F,
+ 0x010D, 0x00E9, 0x0119, 0x00EB, 0x0117, 0x00ED, 0x00EE, 0x00EF,
+ 0x00F0, 0x0146, 0x014D, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x0169,
+ 0x00F8, 0x0173, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x0138};
+
+static FontEncSimpleMapRec iso8859_10_to_unicode_map=
+{ 0x60, 0, 0xA0, iso8859_10_tophalf };
+
+static FontMapRec iso8859_10[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,FontEncSimpleRecode,0,
+ &iso8859_10_to_unicode_map,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned
+iso8859_15_to_unicode(unsigned isocode, void *client_data)
+{
+ switch(isocode) {
+ case 0xA4: return 0x20AC;
+ case 0xA6: return 0x0160;
+ case 0xA8: return 0x0161;
+ case 0xB4: return 0x017D;
+ case 0xB8: return 0x017E;
+ case 0xBC: return 0x0152;
+ case 0xBD: return 0x0153;
+ case 0xBE: return 0x0178;
+ default: return isocode;
+ }
+}
+
+static FontMapRec iso8859_15[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,iso8859_15_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned short koi8_r_tophalf[]=
+{ 0x2500, 0x2502, 0x250C, 0x2510, 0x2514, 0x2518, 0x251C, 0x2524,
+ 0x252C, 0x2534, 0x253C, 0x2580, 0x2584, 0x2588, 0x258C, 0x2590,
+ 0x2591, 0x2592, 0x2593, 0x2320, 0x25A0, 0x2022, 0x221A, 0x2248,
+ 0x2264, 0x2265, 0x00A0, 0x2321, 0x00B0, 0x00B2, 0x00B7, 0x00F7,
+ 0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
+ 0x2557, 0x2558, 0x2559, 0x255A, 0x255B, 0x255C, 0x255D, 0x255E,
+ 0x255F, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
+ 0x2566, 0x2567, 0x2568, 0x2569, 0x256A, 0x256B, 0x256C, 0x00A9,
+ 0x044E, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
+ 0x0445, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E,
+ 0x043F, 0x044F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
+ 0x044C, 0x044B, 0x0437, 0x0448, 0x044D, 0x0449, 0x0447, 0x044A,
+ 0x042E, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
+ 0x0425, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E,
+ 0x041F, 0x042F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
+ 0x042C, 0x042B, 0x0417, 0x0428, 0x042D, 0x0429, 0x0427, 0x042A};
+
+static FontEncSimpleMapRec koi8_r_to_unicode_map=
+{ 0x80, 0, 0x80, koi8_r_tophalf };
+
+
+static FontMapRec koi8_r[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,FontEncSimpleRecode,0,
+ &koi8_r_to_unicode_map,0},
+ {0,0,0,0,0,0,0}
+};
+
+static unsigned
+koi8_ru_to_unicode(unsigned koicode, void *client_data)
+{
+ switch(koicode) {
+ case 0x93: return 0x201C;
+ case 0x96: return 0x201D;
+ case 0x97: return 0x2014;
+ case 0x98: return 0x2116;
+ case 0x99: return 0x2122;
+ case 0x9B: return 0x00BB;
+ case 0x9C: return 0x00AE;
+ case 0x9D: return 0x00AB;
+ case 0x9F: return 0x00A4;
+ case 0xA4: return 0x0454;
+ case 0xA6: return 0x0456;
+ case 0xA7: return 0x0457;
+ case 0xAD: return 0x0491;
+ case 0xAE: return 0x045E;
+ case 0xB4: return 0x0404;
+ case 0xB6: return 0x0406;
+ case 0xB7: return 0x0407;
+ case 0xBD: return 0x0490;
+ case 0xBE: return 0x040E;
+ default: return FontEncSimpleRecode(koicode, &koi8_r_to_unicode_map);
+ }
+}
+
+static FontMapRec koi8_ru[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,koi8_ru_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* koi8-e, ISO-IR-111 or ECMA-Cyrillic */
+
+static unsigned short koi8_e_A0_BF[]=
+{ 0x00A0, 0x0452, 0x0453, 0x0451, 0x0454, 0x0455, 0x0456, 0x0457,
+ 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x00AD, 0x045E, 0x045F,
+ 0x2116, 0x0402, 0x0403, 0x0401, 0x0404, 0x0405, 0x0406, 0x0407,
+ 0x0408, 0x0409, 0x040A, 0x040B, 0x040C, 0x00A4, 0x040E, 0x040F };
+
+static unsigned
+koi8_e_to_unicode(unsigned koicode, void *client_data)
+{
+ if(koicode<0xA0)
+ return koicode;
+ else if(koicode<0xC0)
+ return koi8_e_A0_BF[koicode-0xA0];
+ else
+ return FontEncSimpleRecode(koicode, &koi8_r_to_unicode_map);
+}
+
+static FontMapRec koi8_e[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,koi8_e_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* Koi8 unified */
+
+static unsigned short koi8_uni_80_BF[]=
+{ 0x2500, 0x2502, 0x250C, 0x2510, 0x2514, 0x2518, 0x251C, 0x2524,
+ 0x252C, 0x2534, 0x253C, 0x2580, 0x2584, 0x2588, 0x258C, 0x2590,
+ 0x2591, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x00A9, 0x2122, 0x00A0, 0x00BB, 0x00AE, 0x00AB, 0x00B7, 0x00A4,
+ 0x00A0, 0x0452, 0x0453, 0x0451, 0x0454, 0x0455, 0x0456, 0x0457,
+ 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x0491, 0x045E, 0x045F,
+ 0x2116, 0x0402, 0x0403, 0x0401, 0x0404, 0x0405, 0x0406, 0x0407,
+ 0x0408, 0x0409, 0x040A, 0x040B, 0x040C, 0x0490, 0x040E, 0x040F };
+
+static unsigned
+koi8_uni_to_unicode(unsigned koicode, void *client_data)
+{
+ if(koicode<0x80)
+ return koicode;
+ else if(koicode<0xC0)
+ return koi8_uni_80_BF[koicode-0x80];
+ else
+ return FontEncSimpleRecode(koicode, &koi8_r_to_unicode_map);
+}
+
+static FontMapRec koi8_uni[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,koi8_uni_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* Ukrainian variant of Koi8-R; see RFC 2319 */
+
+static unsigned
+koi8_u_to_unicode(unsigned koicode, void *client_data)
+{
+ switch(koicode) {
+ case 0xA4: return 0x0454;
+ case 0xA6: return 0x0456;
+ case 0xA7: return 0x0457;
+ case 0xAD: return 0x0491;
+ case 0xB4: return 0x0404;
+ case 0xB6: return 0x0406;
+ case 0xB7: return 0x0407;
+ case 0xBD: return 0x0490;
+ default: return FontEncSimpleRecode(koicode, &koi8_r_to_unicode_map);
+ }
+}
+
+static FontMapRec koi8_u[]=
+{
+ {FONT_ENCODING_UNICODE,0,0,koi8_u_to_unicode,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+/* Microsoft Symbol, which is only meaningful for TrueType fonts, is
+ treated specially in ftenc.c, where we add usFirstCharIndex-0x20 to
+ the glyph index before applying the cmap. Lovely design. */
+
+static FontMapRec microsoft_symbol[]=
+{{FONT_ENCODING_TRUETYPE,3,0,0,0,0,0},
+ /* You never know */
+ {FONT_ENCODING_TRUETYPE,3,1,0,0,0,0},
+ {0,0,0,0,0,0,0}};
+
+static FontMapRec apple_roman[]=
+{{FONT_ENCODING_TRUETYPE,1,0,0,0,0,0}, {0,0,0,0,0,0,0}};
+
+/* The data for recodings */
+
+/* For compatibility with X11R6.4. Losers. */
+static char *iso8859_15_aliases[2]={"fcd8859-15",0};
+
+static FontEncRec initial_encodings[]=
+{
+ {"iso10646-1",0,256*256,0,iso10646,0,0,0}, /* Unicode */
+ {"iso8859-1",0,256,0,iso8859_1,0,0,0}, /* Latin 1 (West European) */
+ {"iso8859-2",0,256,0,iso8859_2,0,0,0}, /* Latin 2 (East European) */
+ {"iso8859-3",0,256,0,iso8859_3,0,0,0}, /* Latin 3 (South European) */
+ {"iso8859-4",0,256,0,iso8859_4,0,0,0}, /* Latin 4 (North European) */
+ {"iso8859-5",0,256,0,iso8859_5,0,0,0}, /* Cyrillic */
+ {"iso8859-6",0,256,0,iso8859_6,0,0,0}, /* Arabic */
+ {"iso8859-7",0,256,0,iso8859_7,0,0,0}, /* Greek */
+ {"iso8859-8",0,256,0,iso8859_8,0,0,0}, /* Hebrew */
+ {"iso8859-9",0,256,0,iso8859_9,0,0,0}, /* Latin 5 (Turkish) */
+ {"iso8859-10",0,256,0,iso8859_10,0,0,0}, /* Latin 6 (Nordic) */
+ {"iso8859-15",iso8859_15_aliases,256,0,iso8859_15,0,0,0}, /* Latin 9 */
+ {"koi8-r",0,256,0,koi8_r,0,0,0}, /* Russian */
+ {"koi8-ru",0,256,0,koi8_ru,0,0,0}, /* Ukrainian */
+ {"koi8-uni",0,256,0,koi8_uni,0,0,0}, /* Russian/Ukrainian/Bielorussian */
+ {"koi8-e",0,256,0,koi8_e,0,0,0}, /* ``European'' */
+ {"koi8-u",0,256,0,koi8_u,0,0,0}, /* Ukrainian too */
+ {"microsoft-symbol",0,256,0,microsoft_symbol,0,0,0},
+ {"apple-roman",0,256,0,apple_roman,0,0,0},
+ {0,0,0,0,0,0,0}
+};
+
+static FontEncPtr font_encodings=NULL;
+
+static void
+define_initial_encoding_info(void)
+{
+ FontEncPtr encoding;
+ FontMapPtr mapping;
+
+ font_encodings = initial_encodings;
+ for(encoding = font_encodings; ; encoding++) {
+ encoding->next = encoding + 1;
+ for(mapping = encoding->mappings; ; mapping++) {
+ mapping->next = mapping+1;
+ mapping->encoding = encoding;
+ if(mapping->next->type == 0) {
+ mapping->next = NULL;
+ break;
+ }
+ }
+ if(!encoding->next->name) {
+ encoding->next = NULL;
+ break;
+ }
+ }
+}
+
+
+char*
+FontEncFromXLFD(const char *name, int length)
+{
+ const char *p;
+ char *q;
+ static char charset[MAXFONTNAMELEN];
+ int len;
+
+ if(length > MAXFONTNAMELEN - 1)
+ return 0;
+
+ if(name == NULL)
+ p = NULL;
+ else {
+ p = name + length - 1;
+ while(p > name && *p != '-')
+ p--;
+ p--;
+ while(p >= name && *p != '-')
+ p--;
+ if(p <= name)
+ p = 0;
+ }
+
+ /* now p either is null or points at the '-' before the charset registry */
+
+ if(p == 0)
+ return 0;
+
+ len = length - (p - name) - 1;
+ memcpy(charset, p+1, len);
+ charset[len] = 0;
+
+ /* check for a subset specification */
+ if((q = strchr(charset, (int)'[')))
+ *q = 0;
+
+ return charset;
+}
+
+unsigned
+FontEncRecode(unsigned code, FontMapPtr mapping)
+{
+ FontEncPtr encoding = mapping->encoding;
+ if(encoding && mapping->recode) {
+ if(encoding->row_size == 0) {
+ /* linear encoding */
+ if(code < encoding->first || code>=encoding->size)
+ return 0;
+ } else {
+ /* matrix encoding */
+ int row = code/0x100, col = code&0xFF;
+ if(row < encoding->first || row >= encoding->size ||
+ col < encoding->first_col || col >= encoding->row_size)
+ return 0;
+ }
+ return (*mapping->recode)(code, mapping->client_data);
+ } else
+ return code;
+}
+
+char*
+FontEncName(unsigned code, FontMapPtr mapping)
+{
+ FontEncPtr encoding = mapping->encoding;
+ if(encoding && mapping->name) {
+ if((encoding->row_size == 0 && code >= encoding->size) ||
+ (encoding->row_size != 0 &&
+ (code/0x100 >= encoding->size ||
+ (code&0xFF) >= encoding->row_size)))
+ return 0;
+ return (*mapping->name)(code, mapping->client_data);
+ } else
+ return 0;
+}
+
+FontEncPtr
+FontEncFind(const char *encoding_name, const char *filename)
+{
+ FontEncPtr encoding;
+ char **alias;
+
+ if(font_encodings == NULL) define_initial_encoding_info();
+
+ for(encoding = font_encodings; encoding; encoding = encoding->next) {
+ if(!strcasecmp(encoding->name, encoding_name))
+ return encoding;
+ if(encoding->aliases)
+ for(alias=encoding->aliases; *alias; alias++)
+ if(!strcasecmp(*alias, encoding_name))
+ return encoding;
+ }
+
+ /* Unknown charset, try to load a definition file */
+ return FontEncLoad(encoding_name, filename);
+}
+
+FontMapPtr
+FontMapFind(FontEncPtr encoding, int type, int pid, int eid)
+{
+ FontMapPtr mapping;
+ if(encoding == NULL)
+ return NULL;
+
+ for(mapping = encoding->mappings; mapping; mapping = mapping->next) {
+ if(mapping->type != type)
+ continue;
+ if(pid > 0 && mapping->pid != pid)
+ continue;
+ if(eid > 0 && mapping->eid != eid)
+ continue;
+ return mapping;
+ }
+ return NULL;
+}
+
+FontMapPtr
+FontEncMapFind(const char *encoding_name, int type, int pid, int eid,
+ const char *filename)
+{
+ FontEncPtr encoding;
+ FontMapPtr mapping;
+
+ encoding = FontEncFind(encoding_name, filename);
+ if(encoding == NULL)
+ return NULL;
+ mapping = FontMapFind(encoding, type, pid, eid);
+ return mapping;
+}
+
+static FontEncPtr
+FontEncLoad(const char *encoding_name, const char *filename)
+{
+ FontEncPtr encoding;
+
+ encoding = FontEncReallyLoad(encoding_name, filename);
+ if (encoding == NULL) {
+ return 0;
+ } else {
+ char **alias;
+ int found = 0;
+
+ /* Check whether the name is already known for this encoding */
+ if(strcasecmp(encoding->name, encoding_name) == 0) {
+ found = 1;
+ } else {
+ if(encoding->aliases) {
+ for(alias=encoding->aliases; *alias; alias++)
+ if(!strcasecmp(*alias, encoding_name)) {
+ found = 1;
+ break;
+ }
+ }
+ }
+
+ if(!found) {
+ /* Add a new alias. This works because we know that this
+ particular encoding has been allocated dynamically */
+ char **new_aliases;
+ char *new_name;
+ int numaliases = 0;
+
+ new_name = xalloc(strlen(encoding_name) + 1);
+ if(new_name == NULL)
+ return NULL;
+ strcpy(new_name, encoding_name);
+ if(encoding->aliases) {
+ for(alias = encoding->aliases; *alias; alias++)
+ numaliases++;
+ }
+ new_aliases = (char**)xalloc((numaliases+2)*sizeof(char*));
+ if(new_aliases == NULL) {
+ xfree(new_name);
+ return NULL;
+ }
+ if(encoding->aliases) {
+ memcpy(new_aliases, encoding->aliases, numaliases*sizeof(char*));
+ xfree(encoding->aliases);
+ }
+ new_aliases[numaliases] = new_name;
+ new_aliases[numaliases+1] = NULL;
+ encoding->aliases = new_aliases;
+ }
+
+ /* register the new encoding */
+ encoding->next=font_encodings;
+ font_encodings=encoding;
+
+ return encoding;
+ }
+}
+
+unsigned
+FontEncSimpleRecode(unsigned code, void *client_data)
+{
+ FontEncSimpleMapPtr map;
+ unsigned index;
+
+ map = client_data;
+
+ if(code > 0xFFFF || (map->row_size && (code&0xFF) >= map->row_size))
+ return 0;
+
+ if(map->row_size)
+ index = (code&0xFF)+(code>>8)*map->row_size;
+ else
+ index = code;
+
+ if(map->map && index>=map->first && index<map->first+map->len)
+ return map->map[index-map->first];
+ else
+ return code;
+}
+
+char *
+FontEncSimpleName(unsigned code, void *client_data)
+{
+ FontEncSimpleNamePtr map;
+
+ map = client_data;
+ if(map && code >= map->first && code<map->first+map->len)
+ return map->map[code-map->first];
+ else
+ return NULL;
+}
+
+unsigned
+FontEncUndefinedRecode(unsigned code, void *client_data)
+{
+ return code;
+}
+
+char *
+FontEncUndefinedName(unsigned code, void *client_data)
+{
+ return NULL;
+}
+
+#define FONTENC_SEGMENT_SIZE 256
+#define FONTENC_SEGMENTS 256
+#define FONTENC_INVERSE_CODES (FONTENC_SEGMENT_SIZE * FONTENC_SEGMENTS)
+
+static unsigned int
+reverse_reverse(unsigned i, void* data)
+{
+ int s, j;
+ unsigned **map = (unsigned**)data;
+
+ if(i >= FONTENC_INVERSE_CODES)
+ return 0;
+
+ if(map == NULL)
+ return 0;
+
+ s = i / FONTENC_SEGMENT_SIZE;
+ j = i % FONTENC_SEGMENT_SIZE;
+
+ if(map[s] == NULL)
+ return 0;
+ else
+ return map[s][j];
+}
+
+static int
+tree_set(unsigned int **map, unsigned int i, unsigned int j)
+{
+ int s, c;
+
+ if(i >= FONTENC_INVERSE_CODES)
+ return FALSE;
+
+ s = i / FONTENC_SEGMENT_SIZE;
+ c = i % FONTENC_SEGMENT_SIZE;
+
+ if(map[s] == NULL) {
+ map[s] = calloc(FONTENC_SEGMENT_SIZE, sizeof(int));
+ if(map[s] == NULL)
+ return FALSE;
+ }
+
+ map[s][c] = j;
+ return TRUE;
+}
+
+FontMapReversePtr
+FontMapReverse(FontMapPtr mapping)
+{
+ FontEncPtr encoding = mapping->encoding;
+ FontMapReversePtr reverse = NULL;
+ unsigned int **map = NULL;
+ int i, j, k;
+
+ if(encoding == NULL) goto bail;
+
+ map = calloc(FONTENC_SEGMENTS, sizeof(int*));
+ if(map == NULL) goto bail;
+
+ if(encoding->row_size == 0) {
+ for(i = encoding->first; i < encoding->size; i++) {
+ k = FontEncRecode(i, mapping);
+ if(k != 0)
+ if(!tree_set(map, k, i))
+ goto bail;
+ }
+ } else {
+ for(i = encoding->first; i < encoding->size; i++) {
+ for(j = encoding->first_col; j < encoding->row_size; j++) {
+ k = FontEncRecode(i*256 + j, mapping);
+ if(k != 0)
+ if(!tree_set(map, k, i*256+j))
+ goto bail;
+ }
+ }
+ }
+
+ reverse = malloc(sizeof(FontMapReverseRec));
+ if(!reverse) goto bail;
+
+ reverse->reverse = reverse_reverse;
+ reverse->data = map;
+ return reverse;
+
+ bail:
+ if(map)
+ xfree(map);
+ if(reverse)
+ xfree(reverse);
+ return NULL;
+}
+
+void
+FontMapReverseFree(FontMapReversePtr delendum)
+{
+ unsigned int **map = (unsigned int**)delendum;
+ int i;
+
+ if(map == NULL)
+ return;
+
+ for(i = 0; i < FONTENC_SEGMENTS; i++)
+ if(map[i] != NULL)
+ xfree(map[i]);
+
+ xfree(map);
+ return;
+}
diff --git a/src/fontencI.h b/src/fontencI.h
new file mode 100644
index 0000000..b9545e4
--- /dev/null
+++ b/src/fontencI.h
@@ -0,0 +1,46 @@
+/*
+Copyright (c) 1998-2001 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* $XFree86: xc/lib/font/fontfile/fontencI.h,v 1.4 2001/08/13 21:46:47 dawes Exp $ */
+
+/* Private types and functions for the encoding code. */
+/* Used by the files `fontenc.h' and `encparse.h' */
+
+typedef struct _FontEncSimpleMap {
+ unsigned len; /* might be 0x10000 */
+ unsigned short row_size;
+ unsigned short first;
+ unsigned short *map;
+} FontEncSimpleMapRec, *FontEncSimpleMapPtr;
+
+typedef struct _FontEncSimpleName {
+ unsigned len;
+ unsigned short first;
+ char **map;
+} FontEncSimpleNameRec, *FontEncSimpleNamePtr;
+
+unsigned FontEncSimpleRecode(unsigned, void*);
+unsigned FontEncUndefinedRecode(unsigned, void*);
+char *FontEncSimpleName(unsigned, void*);
+char *FontEncUndefinedName(unsigned, void*);
+
+FontEncPtr FontEncReallyLoad(const char*, const char*);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 03:04:24 +0000