-%option noyywrap
+/*
+ * We don't use unput, so don't generate code for it.
+ */
%option nounput
-%option prefix="Dtd_PreParse_"
+
+/*
+ * We don't read from the terminal.
+ */
%option never-interactive
+
+/*
+ * The language we're scanning is case-insensitive.
+ */
%option caseless
+
+/*
+ * Prefix scanner routines with "Dtd_PreParse_" rather than "yy", so this
+ * scanner can coexist with other scanners.
+ */
+%option prefix="Dtd_PreParse_"
+
%option outfile="dtd_preparse.c"
%{
/*
* dtd_preparser.l
*
- * an XML dissector for ethereal
+ * an XML dissector for wireshark
*
* DTD Preparser - import a dtd file into a GString
* including files, removing comments
* and resolving %entities;
- *
- * Copyright 2004, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
+ *
+ * Copyright 2004, Luis E. Garcia Ontanon <luis@ontanon.org>
*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
-
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <glib.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include "dtd.h"
+#include "dtd_preparse_lex.h"
+#include <wsutil/file_util.h>
#define ECHO g_string_append(current,yytext);
-GString* current;
-GString* output;
-GHashTable* entities;
-gchar* entity_name;
-GString* error;
+static GString* current;
+static GString* output;
+static GHashTable* entities;
+static gchar* entity_name;
+static GString* error;
-const gchar* dtd_dirname;
-const gchar* filename;
-guint linenum;
-
-GString* textstr;
+static const gchar* dtd_dirname;
+static const gchar* filename;
+static guint linenum;
static gchar* replace_entity(gchar* s);
static const gchar* location(void);
+/*
+ * Flex (v 2.5.35) uses this symbol to "exclude" unistd.h
+ */
+#ifdef _WIN32
+#define YY_NO_UNISTD_H
+#endif
+
+#ifdef _WIN32
+/* disable Windows VC compiler warning "signed/unsigned mismatch" associated */
+/* with YY_INPUT code generated by flex versions such as 2.5.35. */
+#pragma warning (disable:4018)
+#endif
+
%}
xmlpi_start "<?"
xmlpi_stop "?>"
%%
-{entity} if (current) g_string_sprintfa(current,"%s\n%s\n",replace_entity(yytext),location());
+{entity} if (current) g_string_append_printf(current,"%s\n%s\n",replace_entity(yytext),location());
{whitespace} if (current) g_string_append(current," ");
<IN_COMMENT>[^-]? |
<IN_COMMENT>[-] ;
<IN_COMMENT>{comment_stop} { current = output; BEGIN OUTSIDE; }
-
+
{newline} {
linenum++;
- if (current) g_string_sprintfa(current,"%s\n",location());
+ if (current) g_string_append_printf(current,"%s\n",location());
}
<IN_QUOTE>{non_quote} |
<IN_QUOTE>{escaped_quote} g_string_append(current,yytext);
<NAMED_ENTITY>{system} {
- g_string_sprintfa(error,"at %s:%u: file inclusion is not supported!", filename, linenum);
+ g_string_append_printf(error,"at %s:%u: file inclusion is not supported!", filename, linenum);
yyterminate();
}
<ENTITY_DONE>{special_stop} { current = output; g_string_append(current,"\n"); BEGIN OUTSIDE; }
static gchar* replace_entity(gchar* entity) {
GString* replacement;
-
+
*entity = '%';
-
+
replacement = g_hash_table_lookup(entities,entity);
-
+
if (replacement) {
return replacement->str;
} else {
- g_string_sprintfa(error,"dtd_preparse: in file '%s': entity %s does not exists\n", filename, entity);
+ g_string_append_printf(error,"dtd_preparse: in file '%s': entity %s does not exists\n", filename, entity);
return "";
}
-
+
}
static const gchar* location(void) {
static gchar* loc = NULL;
-
+
if (loc) g_free(loc);
-
- loc = g_strdup_printf("<? ethereal:location %s:%u ?>", filename, linenum);
-
+
+ loc = g_strdup_printf("<? wireshark:location %s:%u ?>", filename, linenum);
+
return loc;
}
extern GString* dtd_preparse(const gchar* dname,const gchar* fname, GString* err) {
gchar* fullname = g_strdup_printf("%s%c%s",dname,G_DIR_SEPARATOR,fname);
-
+
dtd_dirname = dname;
filename = fname;
linenum = 1;
- yyin = fopen(fullname,"r");
-
+ yyin = ws_fopen(fullname,"r");
+
if (!yyin) {
if (err)
- g_string_sprintfa(err, "Could not open file: '%s', error: %s",fullname,strerror(errno));
-
+ g_string_append_printf(err, "Could not open file: '%s', error: %s",fullname,g_strerror(errno));
+
return NULL;
}
-
+
error = err;
-
+
entities = g_hash_table_new(g_str_hash,g_str_equal);
current = output = g_string_new(location());
-
+
BEGIN OUTSIDE;
yylex();
-
+
+ fclose(yyin);
+
yyrestart(NULL);
g_hash_table_foreach_remove(entities,free_gstring_hash_items,NULL);
return output;
}
+
+/*
+ * We want to stop processing when we get to the end of the input.
+ * (%option noyywrap is not used because if used then
+ * some flex versions (eg: 2.5.35) generate code which causes
+ * warnings by the Windows VC compiler).
+ */
+
+int yywrap(void) {
+ return 1;
+}
git.samba.org / obnox / wireshark / wip.git / blobdiff