php-src/Zend/zend_indent.c

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
+----------------------------------------------------------------------+
| This source file is subject to the Zend license, that is bundled |
| with this package in the file LICENSE. If you did not receive a |
| copy of the Zend license, please mail us at zend@zend.com so we can |
| send you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* This indenter doesn't really work, it's here for no particular reason. */
#include "zend.h"
#include "zend_compile.h"
#include "zend_indent.h"
#ifndef ZTS
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extern char *zendtext;
extern int zendleng;
#else
#define zendtext ((char *) zend_get_zendtext(CLS_C))
#define zendleng zend_get_zendleng(CLS_C)
#endif
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static void handle_whitespace(int *emit_whitespace)
{
unsigned char c;
int i;
for (c=0; c<128; c++) {
if (emit_whitespace[c]>0) {
for (i=0; i<emit_whitespace[c]; i++) {
zend_write(&c, 1);
}
}
}
memset(emit_whitespace, 0, sizeof(int)*256);
}
ZEND_API void zend_indent()
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{
zval token;
int token_type;
int in_string=0;
int nest_level=0;
int emit_whitespace[256];
int i;
CLS_FETCH();
memset(emit_whitespace, 0, sizeof(int)*256);
/* highlight stuff coming back from zendlex() */
token.type = 0;
while ((token_type=lex_scan(&token CLS_CC))) {
switch (token_type) {
case T_INLINE_HTML:
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zend_write(zendtext, zendleng);
break;
case T_WHITESPACE: {
token.type = 0;
/* eat whitespace, emit newlines */
for (i=0; i<zendleng; i++) {
emit_whitespace[(unsigned char) zendtext[i]]++;
}
continue;
}
break;
case '"':
in_string = !in_string;
/* break missing intentionally */
default:
if (token.type==0) {
/* keyword */
switch(token_type) {
case ',':
ZEND_PUTS(", ");
goto dflt_printout;
break;
case '{':
nest_level++;
if (emit_whitespace['\n']>0) {
ZEND_PUTS(" {\n");
memset(emit_whitespace, 0, sizeof(int)*256);
} else {
ZEND_PUTS("{");
}
break;
case '}':
nest_level--;
if (emit_whitespace['\n']==0) {
ZEND_PUTS("\n");
}
for (i=0; i<nest_level; i++) {
ZEND_PUTS(" ");
}
goto dflt_printout;
break;
dflt_printout:
default:
if (emit_whitespace['\n']>0) {
for (i=0; i<emit_whitespace['\n']; i++) {
ZEND_PUTS("\n");
}
memset(emit_whitespace, 0, sizeof(int)*256);
for (i=0; i<nest_level; i++) {
ZEND_PUTS(" ");
}
} else {
handle_whitespace(emit_whitespace);
}
zend_write(zendtext, zendleng);
break;
}
} else {
handle_whitespace(emit_whitespace);
if (in_string) {
zend_write(zendtext, zendleng);
/* a part of a string */
} else {
zend_write(zendtext, zendleng);
}
}
break;
}
if (token.type == IS_STRING) {
switch (token_type) {
case T_OPEN_TAG:
case T_CLOSE_TAG:
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case T_WHITESPACE:
break;
default:
efree(token.value.str.val);
break;
}
}
token.type = 0;
}
}