adding pegmarkdown support library.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5953 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2025-08-01 10:46:23 -04:00 · 2012-12-09 12:12:57 +00:00 · 2012-12-09 12:12:57 +00:00 · 3be22536df
commit 3be22536df
parent 4413536926
107 changed files with 20038 additions and 0 deletions
--- a/supportlibs/pegmarkdown/peg-0.1.9/peg.c
+++ b/supportlibs/pegmarkdown/peg-0.1.9/peg.c
@ -0,0 +1,173 @@
+/* Copyright (c) 2007 by Ian Piumarta
+ * All rights reserved.
+ * 
+ * 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, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, provided that the above copyright notice(s) and this
+ * permission notice appear in all copies of the Software.  Acknowledgement
+ * of the use of this Software in supporting documentation would be
+ * appreciated but is not required.
+ * 
+ * THE SOFTWARE IS PROVIDED 'AS IS'.  USE ENTIRELY AT YOUR OWN RISK.
+ * 
+ * Last edited: 2012-04-29 15:49:09 by piumarta on emilia
+ */
+
+#include "tree.h"
+#include "version.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <libgen.h>
+#include <assert.h>
+
+FILE *input= 0;
+
+int   verboseFlag= 0;
+
+static int   lineNumber= 0;
+static char *fileName= 0;
+
+void yyerror(char *message);
+
+#define YY_INPUT(buf, result, max)			\
+{							\
+  int c= getc(input);					\
+  if ('\n' == c || '\r' == c) ++lineNumber;		\
+  result= (EOF == c) ? 0 : (*(buf)= c, 1);		\
+}
+
+#define YY_LOCAL(T)	static T
+#define YY_RULE(T)	static T
+
+#include "peg.peg-c"
+
+void yyerror(char *message)
+{
+  fprintf(stderr, "%s:%d: %s", fileName, lineNumber, message);
+  if (yyctx->text[0]) fprintf(stderr, " near token '%s'", yyctx->text);
+  if (yyctx->pos < yyctx->limit || !feof(input))
+    {
+      yyctx->buf[yyctx->limit]= '\0';
+      fprintf(stderr, " before text \"");
+      while (yyctx->pos < yyctx->limit)
+	{
+	  if ('\n' == yyctx->buf[yyctx->pos] || '\r' == yyctx->buf[yyctx->pos]) break;
+	  fputc(yyctx->buf[yyctx->pos++], stderr);
+	}
+      if (yyctx->pos == yyctx->limit)
+	{
+	  int c;
+	  while (EOF != (c= fgetc(input)) && '\n' != c && '\r' != c)
+	    fputc(c, stderr);
+	}
+      fputc('\"', stderr);
+    }
+  fprintf(stderr, "\n");
+  exit(1);
+}
+
+static void version(char *name)
+{
+  printf("%s version %d.%d.%d\n", name, PEG_MAJOR, PEG_MINOR, PEG_LEVEL);
+}
+
+static void usage(char *name)
+{
+  version(name);
+  fprintf(stderr, "usage: %s [<option>...] [<file>...]\n", name);
+  fprintf(stderr, "where <option> can be\n");
+  fprintf(stderr, "  -h          print this help information\n");
+  fprintf(stderr, "  -o <ofile>  write output to <ofile>\n");
+  fprintf(stderr, "  -v          be verbose\n");
+  fprintf(stderr, "  -V          print version number and exit\n");
+  fprintf(stderr, "if no <file> is given, input is read from stdin\n");
+  fprintf(stderr, "if no <ofile> is given, output is written to stdout\n");
+  exit(1);
+}
+
+int main(int argc, char **argv)
+{
+  Node *n;
+  int   c;
+
+  output= stdout;
+  input= stdin;
+  lineNumber= 1;
+  fileName= "<stdin>";
+
+  while (-1 != (c= getopt(argc, argv, "Vho:v")))
+    {
+      switch (c)
+	{
+	case 'V':
+	  version(basename(argv[0]));
+	  exit(0);
+
+	case 'h':
+	  usage(basename(argv[0]));
+	  break;
+
+	case 'o':
+	  if (!(output= fopen(optarg, "w")))
+	    {
+	      perror(optarg);
+	      exit(1);
+	    }
+	  break;
+
+	case 'v':
+	  verboseFlag= 1;
+	  break;
+
+	default:
+	  fprintf(stderr, "for usage try: %s -h\n", argv[0]);
+	  exit(1);
+	}
+    }
+  argc -= optind;
+  argv += optind;
+
+  if (argc)
+    {
+      for (;  argc;  --argc, ++argv)
+	{
+	  if (!strcmp(*argv, "-"))
+	    {
+	      input= stdin;
+	      fileName= "<stdin>";
+	    }
+	  else
+	    {
+	      if (!(input= fopen(*argv, "r")))
+		{
+		  perror(*argv);
+		  exit(1);
+		}
+	      fileName= *argv;
+	    }
+	  lineNumber= 1;
+	  if (!yyparse())
+	    yyerror("syntax error");
+	  if (input != stdin)
+	    fclose(input);
+	}
+    }
+  else
+    if (!yyparse())
+      yyerror("syntax error");
+
+  if (verboseFlag)
+    for (n= rules;  n;  n= n->any.next)
+      Rule_print(n);
+
+  Rule_compile_c_header();
+  if (rules) Rule_compile_c(rules);
+
+  return 0;
+}