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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
obt/ddfile.c for the Openbox window manager
Copyright (c) 2009 Dana Jansens
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.
See the COPYING file for a copy of the GNU General Public License.
*/
#include "obt/ddfile.h"
#include <glib.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
typedef struct _ObtDDParse {
gchar *filename;
gulong lineno;
} ObtDDParse;
typedef enum {
DATA_STRING,
DATA_LOCALESTRING,
DATA_BOOLEAN,
DATA_NUMERIC,
NUM_DATA_TYPES
} ObtDDDataType;
struct _ObtDDFile {
ObtDDFileType type;
gchar *name; /*!< Specific name for the object (eg Firefox) */
gchar *generic; /*!< Generic name for the object (eg Web Browser) */
gchar *comment; /*!< Comment/description to display for the object */
gchar *icon; /*!< Name/path for an icon for the object */
union _ObtDDFileData {
struct {
gchar *exec; /*!< Executable to run for the app */
gchar *wdir; /*!< Working dir to run the app in */
gboolean term; /*!< Run the app in a terminal or not */
ObtDDFileAppOpen open;
/* XXX gchar**? or something better, a mime struct.. maybe
glib has something i can use. */
gchar **mime; /*!< Mime types the app can open */
ObtDDFileAppStartup startup;
gchar *startup_wmclass;
} app;
struct {
gchar *url;
} link;
struct {
} dir;
} d;
};
static void parse_error(const gchar *m, const ObtDDParse *const parse,
gboolean *error)
{
if (!parse->filename)
g_warning("%s at line %lud of input\n", m, parse->lineno);
else
g_warning("%s at line %lud of file %s\n",
m, parse->lineno, parse->filename);
if (error) *error = TRUE;
}
/* reads an input string, strips out invalid stuff, and parses
backslash-stuff */
static gchar* parse_string(const gchar *in, gboolean locale,
const ObtDDParse *const parse,
gboolean *error)
{
const gint bytes = strlen(in);
gboolean backslash;
gchar *out, *o;
const gchar *end, *i;
g_return_val_if_fail(in != NULL, NULL);
if (!locale) {
end = in + bytes;
for (i = in; i < end; ++i) {
if (*i > 127) {
end = i;
parse_error("Invalid bytes in string", parse, error);
break;
}
}
}
else if (!g_utf8_validate(in, bytes, &end))
parse_error("Invalid bytes in localestring", parse, error);
out = g_new(char, bytes + 1);
i = in; o = out;
backslash = FALSE;
while (i < end) {
const gchar *next = locale ? g_utf8_find_next_char(i, end) : i+1;
if (backslash) {
switch(*i) {
case 's': *o++ = ' '; break;
case 'n': *o++ = '\n'; break;
case 't': *o++ = '\t'; break;
case 'r': *o++ = '\r'; break;
case '\\': *o++ = '\\'; break;
default:
parse_error((locale ?
"Invalid escape sequence in localestring" :
"Invalid escape sequence in string"),
parse, error);
}
backslash = FALSE;
}
else if (*i == '\\')
backslash = TRUE;
else {
memcpy(o, i, next-i);
o += next-i;
}
i = next;
}
*o = '\0';
return o;
}
static gboolean parse_bool(const gchar *in, const ObtDDParse *const parse,
gboolean *error)
{
if (strcmp(in, "true") == 0)
return TRUE;
else if (strcmp(in, "false") != 0)
parse_error("Invalid boolean value", parse, error);
return FALSE;
}
static float parse_numeric(const gchar *in, const ObtDDParse *const parse,
gboolean *error)
{
float out = 0;
if (sscanf(in, "%f", &out) == 0)
parse_error("Invalid numeric value", parse, error);
return out;
}
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