diff options
Diffstat (limited to 'nx-X11/lib/Xft1/xftlex.l')
| -rw-r--r-- | nx-X11/lib/Xft1/xftlex.l | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/nx-X11/lib/Xft1/xftlex.l b/nx-X11/lib/Xft1/xftlex.l new file mode 100644 index 000000000..3eff3f429 --- /dev/null +++ b/nx-X11/lib/Xft1/xftlex.l @@ -0,0 +1,275 @@ +%{ +/* + * $XFree86: xc/lib/Xft/xftlex.l,v 1.7 2001/05/18 16:03:06 tsi Exp $ + * + * Copyright (c) 2000 Keith Packard, member of The XFree86 Project, Inc. + * + * 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 <string.h> +#include "xftint.h" + +#include "xftgram.h" + +int XftConfigLineno; + +static void _XftConfigSkipComment (void); + +static void _XftConfigSkipLine (void); + +static int _XftConfigPopInput (void); + + +#define XFT_CONFIG_IN_DEEP 20 +FILE *XftConfigInStack[XFT_CONFIG_IN_DEEP]; +FILE **XftConfigInpt = XftConfigInStack + XFT_CONFIG_IN_DEEP; +FILE *XftConfigInput; +int XftConfigLinenos[XFT_CONFIG_IN_DEEP]; +int *XftConfigLinenopt = XftConfigLinenos + XFT_CONFIG_IN_DEEP; +char *XftConfigFile = ""; +char *XftConfigFileNames[XFT_CONFIG_IN_DEEP]; +char **XftConfigFileNamePt = XftConfigFileNames + XFT_CONFIG_IN_DEEP; +int XftConfigFiledeep = 0; + +#undef YY_INPUT + +#define YY_INPUT(buf,result,max_size) \ +{ \ + int c; \ + result = 0; \ + while (result < max_size) { \ + c = getc (XftConfigInput); \ + if (c < 0) { \ + c = _XftConfigPopInput (); \ + if (c < 0) \ + break; \ + } \ + buf[result++] = c; \ + if (c == '\n') \ + { \ + XftConfigLineno++; \ + break; \ + } \ + } \ +} + +#ifndef FLEX_SCANNER +#undef input +#undef unput +static int input (void) +{ + char buf[1]; + static int r = EOF; + + if (r == 0) + return 0; + YY_INPUT(buf, r, 1); + if (r == 0) + return EOF; + return buf[0]; +} + +static void unput (char c) +{ + if (!c || c == EOF) + return; + if (c == '\n') + XftConfigLineno--; + ungetc (c, XftConfigInput); +} +#endif + +%} +%% +"/\052" _XftConfigSkipComment(); +^# _XftConfigSkipLine(); +dir return DIR; +cache return CACHE; +include return INCLUDE; +includeif return INCLUDEIF; +match return MATCH; +edit return EDIT; +true return TOK_TRUE; +false return TOK_FALSE; +nil return TOK_NIL; +any return ANY; +all return ALL; +"=" return EQUAL; +":" return COLON; +";" return SEMI; +"+" return PLUS; +"-" return MINUS; +"*" return TIMES; +"/" return DIVIDE; +"!" return NOT; +"&&" return ANDAND; +"||" return OROR; +"<" return LESS; +"<=" return LESSEQ; +"==" return EQEQ; +">=" return MOREEQ; +">" return MORE; +"!=" return NOTEQ; +"?" return QUEST; +"[" return OS; +"]" return CS; +\"([^\n\"]|\\\")*\" { + yytext[yyleng - 1] = '\0'; + yylval.sval = yytext+1; + return STRING; + } +[0-9]+ { + yylval.ival = strtol (yytext, 0, 10); + return INTEGER; + } +(([0-9]+((\.[0-9]*(\{[0-9]+\})?)?))|(\.[0-9]+)|(\.[0-9]*\{[0-9]+\}))(([Ee][-+]?[0-9]+)?) { + yylval.dval = strtod (yytext, 0); + return DOUBLE; + } +[a-zA-Z][0-9a-zA-Z_]* { + if (XftNameConstant (yytext, &yylval.ival)) + return INTEGER; + yylval.sval = yytext; + return NAME; + } +. ; +"\n" ; +%% +static void +_XftConfigSkipComment (void) +{ + int c; + + c = input(); + for (;;) { + while (c != EOF && c != '*') + c = input(); + if (c == EOF) + return; + c = input(); + if (c == EOF || c == '/') + return; + } +} + +static void +_XftConfigSkipLine (void) +{ + int c; + + do { + c = input(); + } while (c != EOF && c != '\n'); + if (c == '\n') unput('\n'); +} + +Bool +XftConfigLexFile(char *s) +{ + FILE *f; + + f = fopen (s, "r"); + if (f == 0) + { + fprintf (stderr, "cannot open file \"%s\"\n", s); + return False; + } + ++XftConfigFiledeep; + XftConfigInput = f; + XftConfigFile = s; + return True; +} + +Bool +XftConfigPushInput (char *s, Bool complain) +{ + FILE *f; + char *t; + char *h; + + if (XftConfigInpt == XftConfigInStack) + { + (void) fprintf (stderr, "files nested too deeply\n"); + return False; + } + t = s; + if (*s == '~') + { + h = getenv ("HOME"); + if (h) + { + t = (char *) malloc (strlen (h) + strlen (s)); + if (t) + { + strcpy (t, h); + strcat (t, s+1); + } + else + t = s; + } + } + f = fopen (t, "r"); + if (t != s) + free (t); + if (f == 0) + { + if (complain) + (void) fprintf (stderr, "cannot open file %s\n", s); + return False; + } + ++XftConfigFiledeep; + *--XftConfigInpt = XftConfigInput; + *--XftConfigLinenopt = XftConfigLineno; + *--XftConfigFileNamePt = XftConfigFile; + XftConfigInput = f; + XftConfigLineno = 1; + XftConfigFile = _XftSaveString (s); + return True; +} + +static int +_XftConfigPopInput (void) +{ + int c; + + for (;;) + { + c = getc (XftConfigInput); + if (c >= 0) + return c; + fclose (XftConfigInput); + XftConfigInput = 0; + if (XftConfigInpt == XftConfigInStack + XFT_CONFIG_IN_DEEP) + return EOF; + XftConfigInput = *XftConfigInpt++; + XftConfigLineno = *XftConfigLinenopt++; + free (XftConfigFile); + XftConfigFile = *XftConfigFileNamePt++; + --XftConfigFiledeep; + } +} + +void +XftConfigLexDone (void) +{ +#ifdef FLEX_SCANNER + XftConfig_delete_buffer (XftConfig_current_buffer); +#endif +} |