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%{
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2006 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#define DEBUG_CFG_PARSER 0
#include "zend.h"
#include "zend_API.h"
#include "zend_ini.h"
#include "zend_constants.h"
#include "zend_ini_scanner.h"
#include "zend_extensions.h"
#define YYSTYPE zval
#ifdef ZTS
#define YYPARSE_PARAM tsrm_ls
#define YYLEX_PARAM tsrm_ls
#endif
#define ZEND_INI_PARSER_CB (CG(ini_parser_param))->ini_parser_cb
#define ZEND_INI_PARSER_ARG (CG(ini_parser_param))->arg
int ini_lex(zval *ini_lval TSRMLS_DC);
#ifdef ZTS
int ini_parse(void *arg);
#else
int ini_parse(void);
#endif
zval yylval;
#ifndef ZTS
extern int ini_lex(zval *ini_lval TSRMLS_DC);
extern FILE *ini_in;
extern void init_cfg_scanner(void);
#endif
void zend_ini_do_op(char type, zval *result, zval *op1, zval *op2)
{
int i_result;
int i_op1, i_op2;
char str_result[MAX_LENGTH_OF_LONG];
i_op1 = atoi(Z_STRVAL_P(op1));
free(Z_STRVAL_P(op1));
if (op2) {
i_op2 = atoi(Z_STRVAL_P(op2));
free(Z_STRVAL_P(op2));
} else {
i_op2 = 0;
}
switch (type) {
case '|':
i_result = i_op1 | i_op2;
break;
case '&':
i_result = i_op1 & i_op2;
break;
case '~':
i_result = ~i_op1;
break;
case '!':
i_result = !i_op1;
break;
default:
i_result = 0;
break;
}
Z_STRLEN_P(result) = zend_sprintf(str_result, "%d", i_result);
Z_STRVAL_P(result) = (char *) malloc(Z_STRLEN_P(result)+1);
memcpy(Z_STRVAL_P(result), str_result, Z_STRLEN_P(result));
Z_STRVAL_P(result)[Z_STRLEN_P(result)] = 0;
Z_TYPE_P(result) = IS_STRING;
}
void zend_ini_init_string(zval *result)
{
Z_STRVAL_P(result) = malloc(1);
Z_STRVAL_P(result)[0] = 0;
Z_STRLEN_P(result) = 0;
Z_TYPE_P(result) = IS_STRING;
}
void zend_ini_add_string(zval *result, zval *op1, zval *op2)
{
int length = Z_STRLEN_P(op1) + Z_STRLEN_P(op2);
Z_STRVAL_P(result) = (char *) realloc(Z_STRVAL_P(op1), length+1);
memcpy(Z_STRVAL_P(result)+Z_STRLEN_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op2));
Z_STRVAL_P(result)[length] = 0;
Z_STRLEN_P(result) = length;
Z_TYPE_P(result) = IS_STRING;
}
void zend_ini_get_constant(zval *result, zval *name)
{
zval z_constant;
TSRMLS_FETCH();
if (!memchr(Z_STRVAL_P(name), ':', Z_STRLEN_P(name))
&& zend_get_constant(Z_STRVAL_P(name), Z_STRLEN_P(name), &z_constant TSRMLS_CC)) {
/* z_constant is emalloc()'d */
convert_to_string(&z_constant);
Z_STRVAL_P(result) = zend_strndup(Z_STRVAL(z_constant), Z_STRLEN(z_constant));
Z_STRLEN_P(result) = Z_STRLEN(z_constant);
Z_TYPE_P(result) = Z_TYPE(z_constant);
zval_dtor(&z_constant);
free(Z_STRVAL_P(name));
} else {
*result = *name;
}
}
void zend_ini_get_var(zval *result, zval *name)
{
zval curval;
char *envvar;
TSRMLS_FETCH();
if (zend_get_configuration_directive(Z_STRVAL_P(name), Z_STRLEN_P(name)+1, &curval) == SUCCESS) {
Z_STRVAL_P(result) = zend_strndup(Z_STRVAL(curval), Z_STRLEN(curval));
Z_STRLEN_P(result) = Z_STRLEN(curval);
} else if ((envvar = zend_getenv(Z_STRVAL_P(name), Z_STRLEN_P(name) TSRMLS_CC)) != NULL ||
(envvar = getenv(Z_STRVAL_P(name))) != NULL) {
Z_STRVAL_P(result) = strdup(envvar);
Z_STRLEN_P(result) = strlen(envvar);
} else {
zend_ini_init_string(result);
}
}
static void ini_error(char *str)
{
char *error_buf;
int error_buf_len;
char *currently_parsed_filename;
TSRMLS_FETCH();
currently_parsed_filename = zend_ini_scanner_get_filename(TSRMLS_C);
if (currently_parsed_filename) {
error_buf_len = 128+strlen(currently_parsed_filename); /* should be more than enough */
error_buf = (char *) emalloc(error_buf_len);
sprintf(error_buf, "Error parsing %s on line %d\n", currently_parsed_filename, zend_ini_scanner_get_lineno(TSRMLS_C));
} else {
error_buf = estrdup("Invalid configuration directive\n");
}
if (CG(ini_parser_unbuffered_errors)) {
#ifdef PHP_WIN32
MessageBox(NULL, error_buf, "PHP Error", MB_OK|MB_TOPMOST|0x00200000L);
#else
fprintf(stderr, "PHP: %s", error_buf);
#endif
} else {
zend_error(E_WARNING, "%s", error_buf);
}
efree(error_buf);
}
ZEND_API int zend_parse_ini_file(zend_file_handle *fh, zend_bool unbuffered_errors, zend_ini_parser_cb_t ini_parser_cb, void *arg)
{
int retval;
zend_ini_parser_param ini_parser_param;
TSRMLS_FETCH();
ini_parser_param.ini_parser_cb = ini_parser_cb;
ini_parser_param.arg = arg;
CG(ini_parser_param) = &ini_parser_param;
if (zend_ini_open_file_for_scanning(fh TSRMLS_CC)==FAILURE) {
return FAILURE;
}
CG(ini_parser_unbuffered_errors) = unbuffered_errors;
retval = ini_parse(TSRMLS_C);
zend_ini_close_file(fh TSRMLS_CC);
if (retval==0) {
return SUCCESS;
} else {
return FAILURE;
}
}
ZEND_API int zend_parse_ini_string(char *str, zend_bool unbuffered_errors, zend_ini_parser_cb_t ini_parser_cb, void *arg)
{
zend_ini_parser_param ini_parser_param;
TSRMLS_FETCH();
ini_parser_param.ini_parser_cb = ini_parser_cb;
ini_parser_param.arg = arg;
CG(ini_parser_param) = &ini_parser_param;
if (zend_ini_prepare_string_for_scanning(str TSRMLS_CC)==FAILURE) {
return FAILURE;
}
CG(ini_parser_unbuffered_errors) = unbuffered_errors;
if (ini_parse(TSRMLS_C)) {
return SUCCESS;
} else {
return FAILURE;
}
}
%}
%pure_parser
%token TC_STRING
%token TC_ENCAPSULATED_STRING
%token BRACK
%token SECTION
%token CFG_TRUE
%token CFG_FALSE
%token TC_DOLLAR_CURLY
%left '|' '&'
%right '~' '!'
%%
statement_list:
statement_list statement
| /* empty */
;
statement:
TC_STRING '=' string_or_value {
#if DEBUG_CFG_PARSER
printf("'%s' = '%s'\n", Z_STRVAL($1), Z_STRVAL($3));
#endif
ZEND_INI_PARSER_CB(&$1, &$3, ZEND_INI_PARSER_ENTRY, ZEND_INI_PARSER_ARG);
free(Z_STRVAL($1));
free(Z_STRVAL($3));
}
| TC_STRING BRACK '=' string_or_value {
#if DEBUG_CFG_PARSER
printf("'%s'[ ] = '%s'\n", Z_STRVAL($1), Z_STRVAL($4));
#endif
ZEND_INI_PARSER_CB(&$1, &$4, ZEND_INI_PARSER_POP_ENTRY, ZEND_INI_PARSER_ARG);
free(Z_STRVAL($1));
free(Z_STRVAL($4));
}
| TC_STRING { ZEND_INI_PARSER_CB(&$1, NULL, ZEND_INI_PARSER_ENTRY, ZEND_INI_PARSER_ARG); free(Z_STRVAL($1)); }
| SECTION { ZEND_INI_PARSER_CB(&$1, NULL, ZEND_INI_PARSER_SECTION, ZEND_INI_PARSER_ARG); free(Z_STRVAL($1)); }
| '\n'
;
string_or_value:
expr { $$ = $1; }
| CFG_TRUE { $$ = $1; }
| CFG_FALSE { $$ = $1; }
| '\n' { zend_ini_init_string(&$$); }
| /* empty */ { zend_ini_init_string(&$$); }
;
var_string_list:
cfg_var_ref { $$ = $1; }
| TC_ENCAPSULATED_STRING { $$ = $1; }
| constant_string { $$ = $1; }
| var_string_list cfg_var_ref { zend_ini_add_string(&$$, &$1, &$2); free($2.value.str.val); }
| var_string_list TC_ENCAPSULATED_STRING { zend_ini_add_string(&$$, &$1, &$2); free(Z_STRVAL($2)); }
| var_string_list constant_string { zend_ini_add_string(&$$, &$1, &$2); free($2.value.str.val); }
;
cfg_var_ref:
TC_DOLLAR_CURLY TC_STRING '}' { zend_ini_get_var(&$$, &$2); free($2.value.str.val); }
;
expr:
var_string_list { $$ = $1; }
| expr '|' expr { zend_ini_do_op('|', &$$, &$1, &$3); }
| expr '&' expr { zend_ini_do_op('&', &$$, &$1, &$3); }
| '~' expr { zend_ini_do_op('~', &$$, &$2, NULL); }
| '!' expr { zend_ini_do_op('!', &$$, &$2, NULL); }
| '(' expr ')' { $$ = $2; }
;
constant_string:
TC_STRING { zend_ini_get_constant(&$$, &$1); }
;
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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