diff options
Diffstat (limited to 'nx-X11/extras/fontconfig/doc/edit-sgml.c')
-rw-r--r-- | nx-X11/extras/fontconfig/doc/edit-sgml.c | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/nx-X11/extras/fontconfig/doc/edit-sgml.c b/nx-X11/extras/fontconfig/doc/edit-sgml.c deleted file mode 100644 index 28465feee..000000000 --- a/nx-X11/extras/fontconfig/doc/edit-sgml.c +++ /dev/null @@ -1,521 +0,0 @@ -/* - * $Id: edit-sgml.c,v 1.3 2005/06/28 01:01:03 alanc Exp $ - * - * Copyright © 2003 Keith Packard - * - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> - -static void * -New (int size); - -static void * -Reallocate (void *p, int size); - -static void -Dispose (void *p); - -typedef enum { False, True } Bool; - -typedef struct { - char *buf; - int size; - int len; -} String; - -static String * -StringNew (void); - -static void -StringAdd (String *s, char c); - -static void -StringAddString (String *s, char *buf); - -static String * -StringMake (char *buf); - -static void -StringDel (String *s); - -static void -StringPut (FILE *f, String *s); - -static void -StringDispose (String *s); - -typedef struct { - String *tag; - String *text; -} Replace; - -static Replace * -ReplaceNew (void); - -static void -ReplaceDispose (Replace *r); - -static void -Bail (char *format, char *arg); - -static Replace * -ReplaceRead (FILE *f); - -typedef struct _replaceList { - struct _replaceList *next; - Replace *r; -} ReplaceList; - -static ReplaceList * -ReplaceListNew (Replace *r, ReplaceList *next); - -static void -ReplaceListDispose (ReplaceList *l); - -typedef struct { - ReplaceList *head; -} ReplaceSet; - -static ReplaceSet * -ReplaceSetNew (void); - -static void -ReplaceSetDispose (ReplaceSet *s); - -static void -ReplaceSetAdd (ReplaceSet *s, Replace *r); - -static Replace * -ReplaceSetFind (ReplaceSet *s, char *tag); - -static ReplaceSet * -ReplaceSetRead (FILE *f); - -typedef struct _skipStack { - struct _skipStack *prev; - int skipping; -} SkipStack; - -static SkipStack * -SkipStackPush (SkipStack *prev, int skipping); - -static SkipStack * -SkipStackPop (SkipStack *prev); - -typedef struct _loopStack { - struct _loopStack *prev; - String *tag; - String *extra; - long pos; -} LoopStack; - -static LoopStack * -LoopStackPush (LoopStack *prev, FILE *f, char *tag); - -static LoopStack * -LoopStackLoop (ReplaceSet *rs, LoopStack *ls, FILE *f); - -static void -LineSkip (FILE *f); - -static void -DoReplace (FILE *f, ReplaceSet *s); - -#define STRING_INIT 128 - -static void * -New (int size) -{ - void *m = malloc (size); - if (!m) - abort (); - return m; -} - -static void * -Reallocate (void *p, int size) -{ - void *r = realloc (p, size); - - if (!r) - abort (); - return r; -} - -static void -Dispose (void *p) -{ - free (p); -} - -static String * -StringNew (void) -{ - String *s; - - s = New (sizeof (String)); - s->buf = New (STRING_INIT); - s->size = STRING_INIT - 1; - s->buf[0] = '\0'; - s->len = 0; - return s; -} - -static void -StringAdd (String *s, char c) -{ - if (s->len == s->size) - s->buf = Reallocate (s->buf, (s->size *= 2) + 1); - s->buf[s->len++] = c; - s->buf[s->len] = '\0'; -} - -static void -StringAddString (String *s, char *buf) -{ - while (*buf) - StringAdd (s, *buf++); -} - -static String * -StringMake (char *buf) -{ - String *s = StringNew (); - StringAddString (s, buf); - return s; -} - -static void -StringDel (String *s) -{ - if (s->len) - s->buf[--s->len] = '\0'; -} - -static void -StringPut (FILE *f, String *s) -{ - char *b = s->buf; - - while (*b) - putc (*b++, f); -} - -#define StringLast(s) ((s)->len ? (s)->buf[(s)->len - 1] : '\0') - -static void -StringDispose (String *s) -{ - Dispose (s->buf); - Dispose (s); -} - -static Replace * -ReplaceNew (void) -{ - Replace *r = New (sizeof (Replace)); - r->tag = StringNew (); - r->text = StringNew (); - return r; -} - -static void -ReplaceDispose (Replace *r) -{ - StringDispose (r->tag); - StringDispose (r->text); - Dispose (r); -} - -static void -Bail (char *format, char *arg) -{ - fprintf (stderr, "fatal: "); - fprintf (stderr, format, arg); - fprintf (stderr, "\n"); - exit (1); -} - -static Replace * -ReplaceRead (FILE *f) -{ - int c; - Replace *r; - - while ((c = getc (f)) != '@') - { - if (c == EOF) - return 0; - } - r = ReplaceNew(); - while ((c = getc (f)) != '@') - { - if (c == EOF) - { - ReplaceDispose (r); - return 0; - } - if (isspace (c)) - Bail ("invalid character after tag %s", r->tag->buf); - StringAdd (r->tag, c); - } - if (r->tag->buf[0] == '\0') - { - ReplaceDispose (r); - return 0; - } - while (isspace ((c = getc (f)))) - ; - ungetc (c, f); - while ((c = getc (f)) != '@' && c != EOF) - StringAdd (r->text, c); - if (c == '@') - ungetc (c, f); - while (isspace (StringLast (r->text))) - StringDel (r->text); - return r; -} - -static ReplaceList * -ReplaceListNew (Replace *r, ReplaceList *next) -{ - ReplaceList *l = New (sizeof (ReplaceList)); - l->r = r; - l->next = next; - return l; -} - -static void -ReplaceListDispose (ReplaceList *l) -{ - if (l) - { - ReplaceListDispose (l->next); - ReplaceDispose (l->r); - Dispose (l); - } -} - -static ReplaceSet * -ReplaceSetNew (void) -{ - ReplaceSet *s = New (sizeof (ReplaceSet)); - s->head = 0; - return s; -} - -static void -ReplaceSetDispose (ReplaceSet *s) -{ - ReplaceListDispose (s->head); - Dispose (s); -} - -static void -ReplaceSetAdd (ReplaceSet *s, Replace *r) -{ - s->head = ReplaceListNew (r, s->head); -} - -static Replace * -ReplaceSetFind (ReplaceSet *s, char *tag) -{ - ReplaceList *l; - - for (l = s->head; l; l = l->next) - if (!strcmp (tag, l->r->tag->buf)) - return l->r; - return 0; -} - -static ReplaceSet * -ReplaceSetRead (FILE *f) -{ - ReplaceSet *s = ReplaceSetNew (); - Replace *r; - - while ((r = ReplaceRead (f))) - { - while (ReplaceSetFind (s, r->tag->buf)) - StringAdd (r->tag, '+'); - ReplaceSetAdd (s, r); - } - if (!s->head) - { - ReplaceSetDispose (s); - s = 0; - } - return s; -} - -static SkipStack * -SkipStackPush (SkipStack *prev, int skipping) -{ - SkipStack *ss = New (sizeof (SkipStack)); - ss->prev = prev; - ss->skipping = skipping; - return ss; -} - -static SkipStack * -SkipStackPop (SkipStack *prev) -{ - SkipStack *ss = prev->prev; - Dispose (prev); - return ss; -} - -static LoopStack * -LoopStackPush (LoopStack *prev, FILE *f, char *tag) -{ - LoopStack *ls = New (sizeof (LoopStack)); - ls->prev = prev; - ls->tag = StringMake (tag); - ls->extra = StringNew (); - ls->pos = ftell (f); - return ls; -} - -static LoopStack * -LoopStackLoop (ReplaceSet *rs, LoopStack *ls, FILE *f) -{ - String *s = StringMake (ls->tag->buf); - LoopStack *ret = ls; - Bool loop; - - StringAdd (ls->extra, '+'); - StringAddString (s, ls->extra->buf); - loop = ReplaceSetFind (rs, s->buf) != 0; - StringDispose (s); - if (loop) - fseek (f, ls->pos, SEEK_SET); - else - { - ret = ls->prev; - StringDispose (ls->tag); - StringDispose (ls->extra); - Dispose (ls); - } - return ret; -} - -static void -LineSkip (FILE *f) -{ - int c; - - while ((c = getc (f)) == '\n') - ; - ungetc (c, f); -} - -static void -DoReplace (FILE *f, ReplaceSet *s) -{ - int c; - String *tag; - Replace *r; - SkipStack *ss = 0; - LoopStack *ls = 0; - int skipping = 0; - - while ((c = getc (f)) != EOF) - { - if (c == '@') - { - tag = StringNew (); - while ((c = getc (f)) != '@') - { - if (c == EOF) - abort (); - StringAdd (tag, c); - } - if (ls) - StringAddString (tag, ls->extra->buf); - switch (tag->buf[0]) { - case '?': - ss = SkipStackPush (ss, skipping); - if (!ReplaceSetFind (s, tag->buf + 1)) - skipping++; - LineSkip (f); - break; - case ':': - if (!ss) - abort (); - if (ss->skipping == skipping) - ++skipping; - else - --skipping; - LineSkip (f); - break; - case ';': - skipping = ss->skipping; - ss = SkipStackPop (ss); - LineSkip (f); - break; - case '{': - ls = LoopStackPush (ls, f, tag->buf + 1); - LineSkip (f); - break; - case '}': - ls = LoopStackLoop (s, ls, f); - LineSkip (f); - break; - default: - r = ReplaceSetFind (s, tag->buf); - if (r && !skipping) - StringPut (stdout, r->text); - break; - } - StringDispose (tag); - } - else if (!skipping) - putchar (c); - } -} - -int -main (int argc, char **argv) -{ - FILE *f; - ReplaceSet *s; - - if (!argv[1]) - Bail ("usage: %s <template.sgml>", argv[0]); - f = fopen (argv[1], "r"); - if (!f) - { - Bail ("can't open file %s", argv[1]); - exit (1); - } - while ((s = ReplaceSetRead (stdin))) - { - DoReplace (f, s); - ReplaceSetDispose (s); - rewind (f); - } - if (ferror (stdout)) - Bail ("%s", "error writing output"); - exit (0); -} |