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%{
#include <glib.h>
#include "config.h"
static int yylineno = 1;
static gboolean haserror = FALSE;
static ConfigEntry entry = { NULL, -1 };
static void stringvalue();
static void numbervalue();
static void identifier();
static void newline();
static int yywrap();
%}
number [0-9]+
string \"[^"\n]*\"
identifier [a-zA-Z][a-zA-Z0-9_]*
white [ \t]*
assign {white}={white}
%%
{string}/{white}\n stringvalue();
{number}/{white}\n numbervalue();
^{identifier}/{assign} identifier();
\n newline();
=
[ \t]
. haserror = TRUE;
%%
static void stringvalue()
{
if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
entry.type = Config_String;
entry.value.string = g_strdup(yytext+1); /* drop the left quote */
if (entry.value.string[yyleng-2] != '"')
printf("warning: improperly terminated string on line %d\n",
yylineno);
else
entry.value.string[yyleng-2] = '\0';
} else
haserror = TRUE;
}
static void numbervalue()
{
if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
entry.type = Config_Integer;
entry.value.integer = atoi(yytext);
} else
haserror = TRUE;
}
static void identifier()
{
entry.name = g_strdup(yytext);
entry.type = -1;
}
static void newline()
{
if (!haserror && entry.name != NULL && (signed)entry.type >= 0) {
if (!config_set(entry.name, entry.type, entry.value))
g_warning("Invalid option in config file: '%s'\n", entry.name);
} else {
printf("Parser error in config file on line %d\n", yylineno);
}
g_free(entry.name);
entry.name = NULL;
if (entry.type == Config_String)
g_free(entry.value.string);
entry.type = -1;
haserror = FALSE;
++yylineno;
}
static int yywrap()
{
g_free(entry.name);
entry.name = NULL;
if (entry.type == Config_String)
g_free(entry.value.string);
return 1;
}
void cparse_go(FILE *file)
{
yyin = file;
yylex();
}
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