diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imLcPrs.c')
-rw-r--r-- | libX11/modules/im/ximcp/imLcPrs.c | 1370 |
1 files changed, 685 insertions, 685 deletions
diff --git a/libX11/modules/im/ximcp/imLcPrs.c b/libX11/modules/im/ximcp/imLcPrs.c index f5d6f8cd1..4e54385b5 100644 --- a/libX11/modules/im/ximcp/imLcPrs.c +++ b/libX11/modules/im/ximcp/imLcPrs.c @@ -1,685 +1,685 @@ -/******************************************************************
-
- Copyright 1992 by Oki Technosystems Laboratory, Inc.
- Copyright 1992 by Fuji Xerox Co., Ltd.
-
-Permission to use, copy, modify, distribute, and sell this software
-and its documentation for any purpose is hereby granted without fee,
-provided that the above copyright notice appear in all copies and
-that both that copyright notice and this permission notice appear
-in supporting documentation, and that the name of Oki Technosystems
-Laboratory and Fuji Xerox not be used in advertising or publicity
-pertaining to distribution of the software without specific, written
-prior permission.
-Oki Technosystems Laboratory and Fuji Xerox make no representations
-about the suitability of this software for any purpose. It is provided
-"as is" without express or implied warranty.
-
-OKI TECHNOSYSTEMS LABORATORY AND FUJI XEROX DISCLAIM ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL OKI TECHNOSYSTEMS
-LABORATORY AND FUJI XEROX BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
-OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
-OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
-OR PERFORMANCE OF THIS SOFTWARE.
-
- Author: Yasuhiro Kawai Oki Technosystems Laboratory
- Author: Kazunori Nishihara Fuji Xerox
-
-******************************************************************/
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <X11/Xlib.h>
-#include <X11/Xmd.h>
-#include <X11/Xos.h>
-#include "Xlibint.h"
-#include "Xlcint.h"
-#include "Ximint.h"
-#include <sys/stat.h>
-#include <stdio.h>
-
-#define XLC_BUFSIZE 256
-
-extern int _Xmbstowcs(
- wchar_t *wstr,
- char *str,
- int len
-);
-
-extern int _Xmbstoutf8(
- char *ustr,
- const char *str,
- int len
-);
-
-/*
- * Parsing File Format:
- *
- * FILE ::= { [PRODUCTION] [COMMENT] "\n"}
- * PRODUCTION ::= LHS ":" RHS [ COMMENT ]
- * COMMENT ::= "#" {<any character except null or newline>}
- * LHS ::= EVENT { EVENT }
- * EVENT ::= [MODIFIER_LIST] "<" keysym ">"
- * MODIFIER_LIST ::= ("!" {MODIFIER} ) | "None"
- * MODIFIER ::= ["~"] modifier_name
- * RHS ::= ( STRING | keysym | STRING keysym )
- * STRING ::= '"' { CHAR } '"'
- * CHAR ::= GRAPHIC_CHAR | ESCAPED_CHAR
- * GRAPHIC_CHAR ::= locale (codeset) dependent code
- * ESCAPED_CHAR ::= ('\\' | '\"' | OCTAL | HEX )
- * OCTAL ::= '\' OCTAL_CHAR [OCTAL_CHAR [OCTAL_CHAR]]
- * OCTAL_CHAR ::= (0|1|2|3|4|5|6|7)
- * HEX ::= '\' (x|X) HEX_CHAR [HEX_CHAR]]
- * HEX_CHAR ::= (0|1|2|3|4|5|6|7|8|9|A|B|C|D|E|F|a|b|c|d|e|f)
- *
- */
-
-static int
-nextch(
- FILE *fp,
- int *lastch)
-{
- int c;
-
- if (*lastch != 0) {
- c = *lastch;
- *lastch = 0;
- } else {
- c = getc(fp);
- if (c == '\\') {
- c = getc(fp);
- if (c == '\n') {
- c = getc(fp);
- } else {
- ungetc(c, fp);
- c = '\\';
- }
- }
- }
- return(c);
-}
-
-static void
-putbackch(
- int c,
- int *lastch)
-{
- *lastch = c;
-}
-
-#define ENDOFFILE 0
-#define ENDOFLINE 1
-#define COLON 2
-#define LESS 3
-#define GREATER 4
-#define EXCLAM 5
-#define TILDE 6
-#define STRING 7
-#define KEY 8
-#define ERROR 9
-
-#ifndef isalnum
-#define isalnum(c) \
- (('0' <= (c) && (c) <= '9') || \
- ('A' <= (c) && (c) <= 'Z') || \
- ('a' <= (c) && (c) <= 'z'))
-#endif
-
-static int
-nexttoken(
- FILE *fp,
- char *tokenbuf,
- int *lastch)
-{
- int c;
- int token;
- char *p;
- int i, j;
-
- while ((c = nextch(fp, lastch)) == ' ' || c == '\t') {
- }
- switch (c) {
- case EOF:
- token = ENDOFFILE;
- break;
- case '\n':
- token = ENDOFLINE;
- break;
- case '<':
- token = LESS;
- break;
- case '>':
- token = GREATER;
- break;
- case ':':
- token = COLON;
- break;
- case '!':
- token = EXCLAM;
- break;
- case '~':
- token = TILDE;
- break;
- case '"':
- p = tokenbuf;
- while ((c = nextch(fp, lastch)) != '"') {
- if (c == '\n' || c == EOF) {
- putbackch(c, lastch);
- token = ERROR;
- goto string_error;
- } else if (c == '\\') {
- c = nextch(fp, lastch);
- switch (c) {
- case '\\':
- case '"':
- *p++ = c;
- break;
- case 'n':
- *p++ = '\n';
- break;
- case 'r':
- *p++ = '\r';
- break;
- case 't':
- *p++ = '\t';
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- i = c - '0';
- c = nextch(fp, lastch);
- for (j = 0; j < 2 && c >= '0' && c <= '7'; j++) {
- i <<= 3;
- i += c - '0';
- c = nextch(fp, lastch);
- }
- putbackch(c, lastch);
- *p++ = (char)i;
- break;
- case 'X':
- case 'x':
- i = 0;
- for (j = 0; j < 2; j++) {
- c = nextch(fp, lastch);
- i <<= 4;
- if (c >= '0' && c <= '9') {
- i += c - '0';
- } else if (c >= 'A' && c <= 'F') {
- i += c - 'A' + 10;
- } else if (c >= 'a' && c <= 'f') {
- i += c - 'a' + 10;
- } else {
- putbackch(c, lastch);
- i >>= 4;
- break;
- }
- }
- if (j == 0) {
- token = ERROR;
- goto string_error;
- }
- *p++ = (char)i;
- break;
- case EOF:
- putbackch(c, lastch);
- token = ERROR;
- goto string_error;
- default:
- *p++ = c;
- break;
- }
- } else {
- *p++ = c;
- }
- }
- *p = '\0';
- token = STRING;
- break;
- case '#':
- while ((c = nextch(fp, lastch)) != '\n' && c != EOF) {
- }
- if (c == '\n') {
- token = ENDOFLINE;
- } else {
- token = ENDOFFILE;
- }
- break;
- default:
- if (isalnum(c) || c == '_' || c == '-') {
- p = tokenbuf;
- *p++ = c;
- c = nextch(fp, lastch);
- while (isalnum(c) || c == '_' || c == '-') {
- *p++ = c;
- c = nextch(fp, lastch);
- }
- *p = '\0';
- putbackch(c, lastch);
- token = KEY;
- } else {
- token = ERROR;
- }
- break;
- }
-string_error:
- return(token);
-}
-
-static long
-modmask(
- char *name)
-{
- struct _modtbl {
- const char name[6];
- long mask;
- };
-
- static const struct _modtbl tbl[] = {
- { "Ctrl", ControlMask },
- { "Lock", LockMask },
- { "Caps", LockMask },
- { "Shift", ShiftMask },
- { "Alt", Mod1Mask },
- { "Meta", Mod1Mask }};
-
- int i, num_entries = sizeof (tbl) / sizeof (tbl[0]);
-
- for (i = 0; i < num_entries; i++)
- if (!strcmp (name, tbl[i].name))
- return tbl[i].mask;
-
- return 0;
-}
-
-static char*
-TransFileName(Xim im, char *name)
-{
- char *home = NULL, *lcCompose = NULL;
- char dir[XLC_BUFSIZE];
- char *i = name, *ret, *j;
- int l = 0;
-
- while (*i) {
- if (*i == '%') {
- i++;
- switch (*i) {
- case '%':
- l++;
- break;
- case 'H':
- home = getenv("HOME");
- if (home)
- l += strlen(home);
- break;
- case 'L':
- if (lcCompose == NULL)
- lcCompose = _XlcFileName(im->core.lcd, COMPOSE_FILE);
- if (lcCompose)
- l += strlen(lcCompose);
- break;
- case 'S':
- xlocaledir(dir, XLC_BUFSIZE);
- l += strlen(dir);
- break;
- }
- } else {
- l++;
- }
- i++;
- }
-
- j = ret = Xmalloc(l+1);
- if (ret == NULL)
- return ret;
- i = name;
- while (*i) {
- if (*i == '%') {
- i++;
- switch (*i) {
- case '%':
- *j++ = '%';
- break;
- case 'H':
- if (home) {
- strcpy(j, home);
- j += strlen(home);
- }
- break;
- case 'L':
- if (lcCompose) {
- strcpy(j, lcCompose);
- j += strlen(lcCompose);
- }
- break;
- case 'S':
- strcpy(j, dir);
- j += strlen(dir);
- break;
- }
- i++;
- } else {
- *j++ = *i++;
- }
- }
- *j = '\0';
- Xfree(lcCompose);
- return ret;
-}
-
-#ifndef MB_LEN_MAX
-#define MB_LEN_MAX 6
-#endif
-
-static int
-get_mb_string (Xim im, char *buf, KeySym ks)
-{
- XPointer from, to;
- int from_len, to_len, len;
- XPointer args[1];
- XlcCharSet charset;
- char local_buf[MB_LEN_MAX];
- unsigned int ucs;
- ucs = KeySymToUcs4(ks);
-
- from = (XPointer) &ucs;
- to = (XPointer) local_buf;
- from_len = 1;
- to_len = MB_LEN_MAX;
- args[0] = (XPointer) &charset;
- if (_XlcConvert(im->private.local.ucstoc_conv,
- &from, &from_len, &to, &to_len, args, 1 ) != 0) {
- return 0;
- }
-
- from = (XPointer) local_buf;
- to = (XPointer) buf;
- from_len = MB_LEN_MAX - to_len;
- to_len = MB_LEN_MAX + 1;
- args[0] = (XPointer) charset;
- if (_XlcConvert(im->private.local.cstomb_conv,
- &from, &from_len, &to, &to_len, args, 1 ) != 0) {
- return 0;
- }
- len = MB_LEN_MAX + 1 - to_len;
- buf[len] = '\0';
- return len;
-}
-
-#define AllMask (ShiftMask | LockMask | ControlMask | Mod1Mask)
-#define LOCAL_WC_BUFSIZE 128
-#define LOCAL_UTF8_BUFSIZE 256
-#define SEQUENCE_MAX 10
-
-static int
-parseline(
- FILE *fp,
- Xim im,
- char* tokenbuf)
-{
- int token;
- DTModifier modifier_mask;
- DTModifier modifier;
- DTModifier tmp;
- KeySym keysym = NoSymbol;
- DTIndex *top = &im->private.local.top;
- DefTreeBase *b = &im->private.local.base;
- DTIndex t;
- DefTree *p = NULL;
- Bool exclam, tilde;
- KeySym rhs_keysym = 0;
- char *rhs_string_mb;
- int l;
- int lastch = 0;
- char local_mb_buf[MB_LEN_MAX+1];
- wchar_t local_wc_buf[LOCAL_WC_BUFSIZE], *rhs_string_wc;
- char local_utf8_buf[LOCAL_UTF8_BUFSIZE], *rhs_string_utf8;
-
- struct DefBuffer {
- DTModifier modifier_mask;
- DTModifier modifier;
- KeySym keysym;
- };
-
- struct DefBuffer buf[SEQUENCE_MAX];
- int i, n;
-
- do {
- token = nexttoken(fp, tokenbuf, &lastch);
- } while (token == ENDOFLINE);
-
- if (token == ENDOFFILE) {
- return(-1);
- }
-
- n = 0;
- do {
- if ((token == KEY) && (strcmp("include", tokenbuf) == 0)) {
- char *filename;
- FILE *infp;
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token != KEY && token != STRING)
- goto error;
- if ((filename = TransFileName(im, tokenbuf)) == NULL)
- goto error;
- infp = _XFopenFile(filename, "r");
- Xfree(filename);
- if (infp == NULL)
- goto error;
- _XimParseStringFile(infp, im);
- fclose(infp);
- return (0);
- } else if ((token == KEY) && (strcmp("None", tokenbuf) == 0)) {
- modifier = 0;
- modifier_mask = AllMask;
- token = nexttoken(fp, tokenbuf, &lastch);
- } else {
- modifier_mask = modifier = 0;
- exclam = False;
- if (token == EXCLAM) {
- exclam = True;
- token = nexttoken(fp, tokenbuf, &lastch);
- }
- while (token == TILDE || token == KEY) {
- tilde = False;
- if (token == TILDE) {
- tilde = True;
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token != KEY)
- goto error;
- }
- tmp = modmask(tokenbuf);
- if (!tmp) {
- goto error;
- }
- modifier_mask |= tmp;
- if (tilde) {
- modifier &= ~tmp;
- } else {
- modifier |= tmp;
- }
- token = nexttoken(fp, tokenbuf, &lastch);
- }
- if (exclam) {
- modifier_mask = AllMask;
- }
- }
-
- if (token != LESS) {
- goto error;
- }
-
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token != KEY) {
- goto error;
- }
-
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token != GREATER) {
- goto error;
- }
-
- keysym = XStringToKeysym(tokenbuf);
- if (keysym == NoSymbol) {
- goto error;
- }
-
- buf[n].keysym = keysym;
- buf[n].modifier = modifier;
- buf[n].modifier_mask = modifier_mask;
- n++;
- if( n >= SEQUENCE_MAX )
- goto error;
- token = nexttoken(fp, tokenbuf, &lastch);
- } while (token != COLON);
-
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token == STRING) {
- l = strlen(tokenbuf) + 1;
- while (b->mbused + l > b->mbsize) {
- b->mbsize = b->mbsize ? b->mbsize * 1.5 : 1024;
- if (! (b->mb = Xrealloc (b->mb, b->mbsize)) )
- goto error;
- }
- rhs_string_mb = &b->mb[b->mbused];
- b->mbused += l;
- strcpy(rhs_string_mb, tokenbuf);
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token == KEY) {
- rhs_keysym = XStringToKeysym(tokenbuf);
- if (rhs_keysym == NoSymbol) {
- goto error;
- }
- token = nexttoken(fp, tokenbuf, &lastch);
- }
- if (token != ENDOFLINE && token != ENDOFFILE) {
- goto error;
- }
- } else if (token == KEY) {
- rhs_keysym = XStringToKeysym(tokenbuf);
- if (rhs_keysym == NoSymbol) {
- goto error;
- }
- token = nexttoken(fp, tokenbuf, &lastch);
- if (token != ENDOFLINE && token != ENDOFFILE) {
- goto error;
- }
-
- l = get_mb_string(im, local_mb_buf, rhs_keysym);
- while (b->mbused + l + 1 > b->mbsize) {
- b->mbsize = b->mbsize ? b->mbsize * 1.5 : 1024;
- if (! (b->mb = Xrealloc (b->mb, b->mbsize)) )
- goto error;
- }
- rhs_string_mb = &b->mb[b->mbused];
- b->mbused += l + 1;
- memcpy(rhs_string_mb, local_mb_buf, l);
- rhs_string_mb[l] = '\0';
- } else {
- goto error;
- }
-
- l = _Xmbstowcs(local_wc_buf, rhs_string_mb, LOCAL_WC_BUFSIZE - 1);
- if (l == LOCAL_WC_BUFSIZE - 1) {
- local_wc_buf[l] = (wchar_t)'\0';
- }
- while (b->wcused + l + 1 > b->wcsize) {
- b->wcsize = b->wcsize ? b->wcsize * 1.5 : 512;
- if (! (b->wc = Xrealloc (b->wc, sizeof(wchar_t) * b->wcsize)) )
- goto error;
- }
- rhs_string_wc = &b->wc[b->wcused];
- b->wcused += l + 1;
- memcpy((char *)rhs_string_wc, (char *)local_wc_buf, (l + 1) * sizeof(wchar_t) );
-
- l = _Xmbstoutf8(local_utf8_buf, rhs_string_mb, LOCAL_UTF8_BUFSIZE - 1);
- if (l == LOCAL_UTF8_BUFSIZE - 1) {
- local_utf8_buf[l] = '\0';
- }
- while (b->utf8used + l + 1 > b->utf8size) {
- b->utf8size = b->utf8size ? b->utf8size * 1.5 : 1024;
- if (! (b->utf8 = Xrealloc (b->utf8, b->utf8size)) )
- goto error;
- }
- rhs_string_utf8 = &b->utf8[b->utf8used];
- b->utf8used += l + 1;
- memcpy(rhs_string_utf8, local_utf8_buf, l + 1);
-
- for (i = 0; i < n; i++) {
- for (t = *top; t; t = b->tree[t].next) {
- if (buf[i].keysym == b->tree[t].keysym &&
- buf[i].modifier == b->tree[t].modifier &&
- buf[i].modifier_mask == b->tree[t].modifier_mask) {
- break;
- }
- }
- if (t) {
- p = &b->tree[t];
- top = &p->succession;
- } else {
- while (b->treeused >= b->treesize) {
- DefTree *old = b->tree;
- int oldsize = b->treesize;
- b->treesize = b->treesize ? b->treesize * 1.5 : 256;
- if (! (b->tree = Xrealloc (b->tree, sizeof(DefTree) * b->treesize)) )
- goto error;
- if (top >= (DTIndex *) old && top < (DTIndex *) &old[oldsize])
- top = (DTIndex *) (((char *) top) + (((char *)b->tree)-(char *)old));
- }
- p = &b->tree[b->treeused];
- p->keysym = buf[i].keysym;
- p->modifier = buf[i].modifier;
- p->modifier_mask = buf[i].modifier_mask;
- p->succession = 0;
- p->next = *top;
- p->mb = 0;
- p->wc = 0;
- p->utf8 = 0;
- p->ks = NoSymbol;
- *top = b->treeused;
- top = &p->succession;
- b->treeused++;
- }
- }
-
- /* old entries no longer freed... */
- p->mb = rhs_string_mb - b->mb;
- p->wc = rhs_string_wc - b->wc;
- p->utf8 = rhs_string_utf8 - b->utf8;
- p->ks = rhs_keysym;
- return(n);
-error:
- while (token != ENDOFLINE && token != ENDOFFILE) {
- token = nexttoken(fp, tokenbuf, &lastch);
- }
- return(0);
-}
-
-void
-_XimParseStringFile(
- FILE *fp,
- Xim im)
-{
- char tb[8192];
- char* tbp;
- struct stat st;
-
- if (fstat (fileno (fp), &st) != -1) {
- unsigned long size = (unsigned long) st.st_size;
- if (size <= sizeof tb) tbp = tb;
- else tbp = malloc (size);
-
- if (tbp != NULL) {
- while (parseline(fp, im, tbp) >= 0) {}
- if (tbp != tb) free (tbp);
- }
- }
-}
+/****************************************************************** + + Copyright 1992 by Oki Technosystems Laboratory, Inc. + Copyright 1992 by Fuji Xerox Co., Ltd. + +Permission to use, copy, modify, distribute, and sell this software +and its documentation for any purpose is hereby granted without fee, +provided that the above copyright notice appear in all copies and +that both that copyright notice and this permission notice appear +in supporting documentation, and that the name of Oki Technosystems +Laboratory and Fuji Xerox not be used in advertising or publicity +pertaining to distribution of the software without specific, written +prior permission. +Oki Technosystems Laboratory and Fuji Xerox make no representations +about the suitability of this software for any purpose. It is provided +"as is" without express or implied warranty. + +OKI TECHNOSYSTEMS LABORATORY AND FUJI XEROX DISCLAIM ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL OKI TECHNOSYSTEMS +LABORATORY AND FUJI XEROX BE LIABLE FOR ANY SPECIAL, INDIRECT OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS +OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE +OR PERFORMANCE OF THIS SOFTWARE. + + Author: Yasuhiro Kawai Oki Technosystems Laboratory + Author: Kazunori Nishihara Fuji Xerox + +******************************************************************/ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Xlib.h> +#include <X11/Xmd.h> +#include <X11/Xos.h> +#include "Xlibint.h" +#include "Xlcint.h" +#include "Ximint.h" +#include <sys/stat.h> +#include <stdio.h> + +#define XLC_BUFSIZE 256 + +extern int _Xmbstowcs( + wchar_t *wstr, + char *str, + int len +); + +extern int _Xmbstoutf8( + char *ustr, + const char *str, + int len +); + +/* + * Parsing File Format: + * + * FILE ::= { [PRODUCTION] [COMMENT] "\n"} + * PRODUCTION ::= LHS ":" RHS [ COMMENT ] + * COMMENT ::= "#" {<any character except null or newline>} + * LHS ::= EVENT { EVENT } + * EVENT ::= [MODIFIER_LIST] "<" keysym ">" + * MODIFIER_LIST ::= ("!" {MODIFIER} ) | "None" + * MODIFIER ::= ["~"] modifier_name + * RHS ::= ( STRING | keysym | STRING keysym ) + * STRING ::= '"' { CHAR } '"' + * CHAR ::= GRAPHIC_CHAR | ESCAPED_CHAR + * GRAPHIC_CHAR ::= locale (codeset) dependent code + * ESCAPED_CHAR ::= ('\\' | '\"' | OCTAL | HEX ) + * OCTAL ::= '\' OCTAL_CHAR [OCTAL_CHAR [OCTAL_CHAR]] + * OCTAL_CHAR ::= (0|1|2|3|4|5|6|7) + * HEX ::= '\' (x|X) HEX_CHAR [HEX_CHAR]] + * HEX_CHAR ::= (0|1|2|3|4|5|6|7|8|9|A|B|C|D|E|F|a|b|c|d|e|f) + * + */ + +static int +nextch( + FILE *fp, + int *lastch) +{ + int c; + + if (*lastch != 0) { + c = *lastch; + *lastch = 0; + } else { + c = getc(fp); + if (c == '\\') { + c = getc(fp); + if (c == '\n') { + c = getc(fp); + } else { + ungetc(c, fp); + c = '\\'; + } + } + } + return(c); +} + +static void +putbackch( + int c, + int *lastch) +{ + *lastch = c; +} + +#define ENDOFFILE 0 +#define ENDOFLINE 1 +#define COLON 2 +#define LESS 3 +#define GREATER 4 +#define EXCLAM 5 +#define TILDE 6 +#define STRING 7 +#define KEY 8 +#define ERROR 9 + +#ifndef isalnum +#define isalnum(c) \ + (('0' <= (c) && (c) <= '9') || \ + ('A' <= (c) && (c) <= 'Z') || \ + ('a' <= (c) && (c) <= 'z')) +#endif + +static int +nexttoken( + FILE *fp, + char *tokenbuf, + int *lastch) +{ + int c; + int token; + char *p; + int i, j; + + while ((c = nextch(fp, lastch)) == ' ' || c == '\t') { + } + switch (c) { + case EOF: + token = ENDOFFILE; + break; + case '\n': + token = ENDOFLINE; + break; + case '<': + token = LESS; + break; + case '>': + token = GREATER; + break; + case ':': + token = COLON; + break; + case '!': + token = EXCLAM; + break; + case '~': + token = TILDE; + break; + case '"': + p = tokenbuf; + while ((c = nextch(fp, lastch)) != '"') { + if (c == '\n' || c == EOF) { + putbackch(c, lastch); + token = ERROR; + goto string_error; + } else if (c == '\\') { + c = nextch(fp, lastch); + switch (c) { + case '\\': + case '"': + *p++ = c; + break; + case 'n': + *p++ = '\n'; + break; + case 'r': + *p++ = '\r'; + break; + case 't': + *p++ = '\t'; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + i = c - '0'; + c = nextch(fp, lastch); + for (j = 0; j < 2 && c >= '0' && c <= '7'; j++) { + i <<= 3; + i += c - '0'; + c = nextch(fp, lastch); + } + putbackch(c, lastch); + *p++ = (char)i; + break; + case 'X': + case 'x': + i = 0; + for (j = 0; j < 2; j++) { + c = nextch(fp, lastch); + i <<= 4; + if (c >= '0' && c <= '9') { + i += c - '0'; + } else if (c >= 'A' && c <= 'F') { + i += c - 'A' + 10; + } else if (c >= 'a' && c <= 'f') { + i += c - 'a' + 10; + } else { + putbackch(c, lastch); + i >>= 4; + break; + } + } + if (j == 0) { + token = ERROR; + goto string_error; + } + *p++ = (char)i; + break; + case EOF: + putbackch(c, lastch); + token = ERROR; + goto string_error; + default: + *p++ = c; + break; + } + } else { + *p++ = c; + } + } + *p = '\0'; + token = STRING; + break; + case '#': + while ((c = nextch(fp, lastch)) != '\n' && c != EOF) { + } + if (c == '\n') { + token = ENDOFLINE; + } else { + token = ENDOFFILE; + } + break; + default: + if (isalnum(c) || c == '_' || c == '-') { + p = tokenbuf; + *p++ = c; + c = nextch(fp, lastch); + while (isalnum(c) || c == '_' || c == '-') { + *p++ = c; + c = nextch(fp, lastch); + } + *p = '\0'; + putbackch(c, lastch); + token = KEY; + } else { + token = ERROR; + } + break; + } +string_error: + return(token); +} + +static long +modmask( + char *name) +{ + struct _modtbl { + const char name[6]; + long mask; + }; + + static const struct _modtbl tbl[] = { + { "Ctrl", ControlMask }, + { "Lock", LockMask }, + { "Caps", LockMask }, + { "Shift", ShiftMask }, + { "Alt", Mod1Mask }, + { "Meta", Mod1Mask }}; + + int i, num_entries = sizeof (tbl) / sizeof (tbl[0]); + + for (i = 0; i < num_entries; i++) + if (!strcmp (name, tbl[i].name)) + return tbl[i].mask; + + return 0; +} + +static char* +TransFileName(Xim im, char *name) +{ + char *home = NULL, *lcCompose = NULL; + char dir[XLC_BUFSIZE]; + char *i = name, *ret, *j; + int l = 0; + + while (*i) { + if (*i == '%') { + i++; + switch (*i) { + case '%': + l++; + break; + case 'H': + home = getenv("HOME"); + if (home) + l += strlen(home); + break; + case 'L': + if (lcCompose == NULL) + lcCompose = _XlcFileName(im->core.lcd, COMPOSE_FILE); + if (lcCompose) + l += strlen(lcCompose); + break; + case 'S': + xlocaledir(dir, XLC_BUFSIZE); + l += strlen(dir); + break; + } + } else { + l++; + } + i++; + } + + j = ret = Xmalloc(l+1); + if (ret == NULL) + return ret; + i = name; + while (*i) { + if (*i == '%') { + i++; + switch (*i) { + case '%': + *j++ = '%'; + break; + case 'H': + if (home) { + strcpy(j, home); + j += strlen(home); + } + break; + case 'L': + if (lcCompose) { + strcpy(j, lcCompose); + j += strlen(lcCompose); + } + break; + case 'S': + strcpy(j, dir); + j += strlen(dir); + break; + } + i++; + } else { + *j++ = *i++; + } + } + *j = '\0'; + Xfree(lcCompose); + return ret; +} + +#ifndef MB_LEN_MAX +#define MB_LEN_MAX 6 +#endif + +static int +get_mb_string (Xim im, char *buf, KeySym ks) +{ + XPointer from, to; + int from_len, to_len, len; + XPointer args[1]; + XlcCharSet charset; + char local_buf[MB_LEN_MAX]; + unsigned int ucs; + ucs = KeySymToUcs4(ks); + + from = (XPointer) &ucs; + to = (XPointer) local_buf; + from_len = 1; + to_len = MB_LEN_MAX; + args[0] = (XPointer) &charset; + if (_XlcConvert(im->private.local.ucstoc_conv, + &from, &from_len, &to, &to_len, args, 1 ) != 0) { + return 0; + } + + from = (XPointer) local_buf; + to = (XPointer) buf; + from_len = MB_LEN_MAX - to_len; + to_len = MB_LEN_MAX + 1; + args[0] = (XPointer) charset; + if (_XlcConvert(im->private.local.cstomb_conv, + &from, &from_len, &to, &to_len, args, 1 ) != 0) { + return 0; + } + len = MB_LEN_MAX + 1 - to_len; + buf[len] = '\0'; + return len; +} + +#define AllMask (ShiftMask | LockMask | ControlMask | Mod1Mask) +#define LOCAL_WC_BUFSIZE 128 +#define LOCAL_UTF8_BUFSIZE 256 +#define SEQUENCE_MAX 10 + +static int +parseline( + FILE *fp, + Xim im, + char* tokenbuf) +{ + int token; + DTModifier modifier_mask; + DTModifier modifier; + DTModifier tmp; + KeySym keysym = NoSymbol; + DTIndex *top = &im->private.local.top; + DefTreeBase *b = &im->private.local.base; + DTIndex t; + DefTree *p = NULL; + Bool exclam, tilde; + KeySym rhs_keysym = 0; + char *rhs_string_mb; + int l; + int lastch = 0; + char local_mb_buf[MB_LEN_MAX+1]; + wchar_t local_wc_buf[LOCAL_WC_BUFSIZE], *rhs_string_wc; + char local_utf8_buf[LOCAL_UTF8_BUFSIZE], *rhs_string_utf8; + + struct DefBuffer { + DTModifier modifier_mask; + DTModifier modifier; + KeySym keysym; + }; + + struct DefBuffer buf[SEQUENCE_MAX]; + int i, n; + + do { + token = nexttoken(fp, tokenbuf, &lastch); + } while (token == ENDOFLINE); + + if (token == ENDOFFILE) { + return(-1); + } + + n = 0; + do { + if ((token == KEY) && (strcmp("include", tokenbuf) == 0)) { + char *filename; + FILE *infp; + token = nexttoken(fp, tokenbuf, &lastch); + if (token != KEY && token != STRING) + goto error; + if ((filename = TransFileName(im, tokenbuf)) == NULL) + goto error; + infp = _XFopenFile(filename, "r"); + Xfree(filename); + if (infp == NULL) + goto error; + _XimParseStringFile(infp, im); + fclose(infp); + return (0); + } else if ((token == KEY) && (strcmp("None", tokenbuf) == 0)) { + modifier = 0; + modifier_mask = AllMask; + token = nexttoken(fp, tokenbuf, &lastch); + } else { + modifier_mask = modifier = 0; + exclam = False; + if (token == EXCLAM) { + exclam = True; + token = nexttoken(fp, tokenbuf, &lastch); + } + while (token == TILDE || token == KEY) { + tilde = False; + if (token == TILDE) { + tilde = True; + token = nexttoken(fp, tokenbuf, &lastch); + if (token != KEY) + goto error; + } + tmp = modmask(tokenbuf); + if (!tmp) { + goto error; + } + modifier_mask |= tmp; + if (tilde) { + modifier &= ~tmp; + } else { + modifier |= tmp; + } + token = nexttoken(fp, tokenbuf, &lastch); + } + if (exclam) { + modifier_mask = AllMask; + } + } + + if (token != LESS) { + goto error; + } + + token = nexttoken(fp, tokenbuf, &lastch); + if (token != KEY) { + goto error; + } + + token = nexttoken(fp, tokenbuf, &lastch); + if (token != GREATER) { + goto error; + } + + keysym = XStringToKeysym(tokenbuf); + if (keysym == NoSymbol) { + goto error; + } + + buf[n].keysym = keysym; + buf[n].modifier = modifier; + buf[n].modifier_mask = modifier_mask; + n++; + if( n >= SEQUENCE_MAX ) + goto error; + token = nexttoken(fp, tokenbuf, &lastch); + } while (token != COLON); + + token = nexttoken(fp, tokenbuf, &lastch); + if (token == STRING) { + l = strlen(tokenbuf) + 1; + while (b->mbused + l > b->mbsize) { + b->mbsize = b->mbsize ? b->mbsize * 1.5 : 1024; + if (! (b->mb = Xrealloc (b->mb, b->mbsize)) ) + goto error; + } + rhs_string_mb = &b->mb[b->mbused]; + b->mbused += l; + strcpy(rhs_string_mb, tokenbuf); + token = nexttoken(fp, tokenbuf, &lastch); + if (token == KEY) { + rhs_keysym = XStringToKeysym(tokenbuf); + if (rhs_keysym == NoSymbol) { + goto error; + } + token = nexttoken(fp, tokenbuf, &lastch); + } + if (token != ENDOFLINE && token != ENDOFFILE) { + goto error; + } + } else if (token == KEY) { + rhs_keysym = XStringToKeysym(tokenbuf); + if (rhs_keysym == NoSymbol) { + goto error; + } + token = nexttoken(fp, tokenbuf, &lastch); + if (token != ENDOFLINE && token != ENDOFFILE) { + goto error; + } + + l = get_mb_string(im, local_mb_buf, rhs_keysym); + while (b->mbused + l + 1 > b->mbsize) { + b->mbsize = b->mbsize ? b->mbsize * 1.5 : 1024; + if (! (b->mb = Xrealloc (b->mb, b->mbsize)) ) + goto error; + } + rhs_string_mb = &b->mb[b->mbused]; + b->mbused += l + 1; + memcpy(rhs_string_mb, local_mb_buf, l); + rhs_string_mb[l] = '\0'; + } else { + goto error; + } + + l = _Xmbstowcs(local_wc_buf, rhs_string_mb, LOCAL_WC_BUFSIZE - 1); + if (l == LOCAL_WC_BUFSIZE - 1) { + local_wc_buf[l] = (wchar_t)'\0'; + } + while (b->wcused + l + 1 > b->wcsize) { + b->wcsize = b->wcsize ? b->wcsize * 1.5 : 512; + if (! (b->wc = Xrealloc (b->wc, sizeof(wchar_t) * b->wcsize)) ) + goto error; + } + rhs_string_wc = &b->wc[b->wcused]; + b->wcused += l + 1; + memcpy((char *)rhs_string_wc, (char *)local_wc_buf, (l + 1) * sizeof(wchar_t) ); + + l = _Xmbstoutf8(local_utf8_buf, rhs_string_mb, LOCAL_UTF8_BUFSIZE - 1); + if (l == LOCAL_UTF8_BUFSIZE - 1) { + local_utf8_buf[l] = '\0'; + } + while (b->utf8used + l + 1 > b->utf8size) { + b->utf8size = b->utf8size ? b->utf8size * 1.5 : 1024; + if (! (b->utf8 = Xrealloc (b->utf8, b->utf8size)) ) + goto error; + } + rhs_string_utf8 = &b->utf8[b->utf8used]; + b->utf8used += l + 1; + memcpy(rhs_string_utf8, local_utf8_buf, l + 1); + + for (i = 0; i < n; i++) { + for (t = *top; t; t = b->tree[t].next) { + if (buf[i].keysym == b->tree[t].keysym && + buf[i].modifier == b->tree[t].modifier && + buf[i].modifier_mask == b->tree[t].modifier_mask) { + break; + } + } + if (t) { + p = &b->tree[t]; + top = &p->succession; + } else { + while (b->treeused >= b->treesize) { + DefTree *old = b->tree; + int oldsize = b->treesize; + b->treesize = b->treesize ? b->treesize * 1.5 : 256; + if (! (b->tree = Xrealloc (b->tree, sizeof(DefTree) * b->treesize)) ) + goto error; + if (top >= (DTIndex *) old && top < (DTIndex *) &old[oldsize]) + top = (DTIndex *) (((char *) top) + (((char *)b->tree)-(char *)old)); + } + p = &b->tree[b->treeused]; + p->keysym = buf[i].keysym; + p->modifier = buf[i].modifier; + p->modifier_mask = buf[i].modifier_mask; + p->succession = 0; + p->next = *top; + p->mb = 0; + p->wc = 0; + p->utf8 = 0; + p->ks = NoSymbol; + *top = b->treeused; + top = &p->succession; + b->treeused++; + } + } + + /* old entries no longer freed... */ + p->mb = rhs_string_mb - b->mb; + p->wc = rhs_string_wc - b->wc; + p->utf8 = rhs_string_utf8 - b->utf8; + p->ks = rhs_keysym; + return(n); +error: + while (token != ENDOFLINE && token != ENDOFFILE) { + token = nexttoken(fp, tokenbuf, &lastch); + } + return(0); +} + +void +_XimParseStringFile( + FILE *fp, + Xim im) +{ + char tb[8192]; + char* tbp; + struct stat st; + + if (fstat (fileno (fp), &st) != -1) { + unsigned long size = (unsigned long) st.st_size; + if (size <= sizeof tb) tbp = tb; + else tbp = malloc (size); + + if (tbp != NULL) { + while (parseline(fp, im, tbp) >= 0) {} + if (tbp != tb) free (tbp); + } + } +} |