mirror of
https://github.com/php/php-src.git
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156 lines
4.1 KiB
C
156 lines
4.1 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* This indenter doesn't really work, it's here for no particular reason. */
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#include "zend.h"
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#include <zend_language_parser.h>
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#include "zend_compile.h"
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#include "zend_indent.h"
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#define zendtext LANG_SCNG(yy_text)
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#define zendleng LANG_SCNG(yy_leng)
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static void handle_whitespace(unsigned int *emit_whitespace)
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{
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unsigned char c;
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unsigned int i;
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for (c=0; c<128; c++) {
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if (emit_whitespace[c]>0) {
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for (i=0; i<emit_whitespace[c]; i++) {
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zend_write((char *) &c, 1);
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}
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}
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}
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memset(emit_whitespace, 0, sizeof(int)*256);
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}
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ZEND_API void zend_indent(void)
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{
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zval token;
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int token_type;
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int in_string=0;
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unsigned int nest_level=0;
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unsigned int emit_whitespace[256];
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unsigned int i;
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memset(emit_whitespace, 0, sizeof(int)*256);
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/* highlight stuff coming back from zendlex() */
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ZVAL_UNDEF(&token);
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while ((token_type=lex_scan(&token))) {
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switch (token_type) {
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case T_INLINE_HTML:
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zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
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break;
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case T_WHITESPACE: {
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ZVAL_UNDEF(&token);
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/* eat whitespace, emit newlines */
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for (i=0; i<LANG_SCNG(yy_leng); i++) {
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emit_whitespace[(unsigned char) LANG_SCNG(yy_text)[i]]++;
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}
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continue;
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}
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break;
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case '"':
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in_string = !in_string;
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/* break missing intentionally */
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default:
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if (Z_TYPE(token) == IS_UNDEF) {
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/* keyword */
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switch (token_type) {
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case ',':
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ZEND_PUTS(", ");
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goto dflt_printout;
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break;
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case '{':
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nest_level++;
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if (emit_whitespace['\n']>0) {
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ZEND_PUTS(" {\n");
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memset(emit_whitespace, 0, sizeof(int)*256);
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} else {
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ZEND_PUTS("{");
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}
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break;
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case '}':
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nest_level--;
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if (emit_whitespace['\n']==0) {
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ZEND_PUTS("\n");
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}
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for (i=0; i<nest_level; i++) {
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ZEND_PUTS(" ");
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}
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goto dflt_printout;
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break;
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dflt_printout:
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default:
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if (emit_whitespace['\n']>0) {
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for (i=0; i<emit_whitespace['\n']; i++) {
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ZEND_PUTS("\n");
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}
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memset(emit_whitespace, 0, sizeof(int)*256);
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for (i=0; i<nest_level; i++) {
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ZEND_PUTS(" ");
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}
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} else {
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handle_whitespace(emit_whitespace);
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}
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zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
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break;
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}
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} else {
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handle_whitespace(emit_whitespace);
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if (in_string) {
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zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
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/* a part of a string */
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} else {
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zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
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}
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}
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break;
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}
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if (Z_TYPE(token) == IS_STRING) {
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switch (token_type) {
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case T_OPEN_TAG:
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case T_CLOSE_TAG:
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case T_WHITESPACE:
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break;
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default:
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zend_string_release(Z_STR(token));
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break;
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}
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}
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ZVAL_UNDEF(&token);
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}
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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