代码
1 <?php
2
3 function parse_template($tplfile, $objfile) {
4 global $options;
5
6 //循环嵌套次数
7 $nest = 3;
8
9 //打开模板文件
10 if(!$fp = fopen($tplfile, ‘rb’)) {
11 exit(’Current template file not found or have no access!’);
12 }
13
14 $template = fread($fp, filesize($tplfile));
15 fclose($fp);
16
17 //匹配变量
18 //双引号(单引号)内的\具有转义所以，要得到一个\必须写为\\；要得到一个$必须写为\$;最后结果为\$,可在正则中使用的变量符号
19 $var_regexp = “((\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)(\[[a-zA-Z0-9_\-\.\”\’\[\]\$\x7f-\xff]+\])*)”;
20
21 //匹配字符
22 $const_regexp = “([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)”;
23
24 //清除缩进(tab)
25 $template = preg_replace(”/([\n\r]+)\t+/s”, “\\1“, $template);
26
27 //清除注释(<!– –>),方便后续操作，不需要匹配多余的<!–
28 $template = preg_replace(”/\<\!\-\-\{(.+?)\}\-\-\>/s”, “{\\1}”, $template);
29
30 //将{LF}替换成一个硬回车(\n)
31 $template = str_replace(”{LF}”, “<?=\”\\n\“?>”, $template);
32
33 //匹配多种变量形式，包括$xxx[”xxxx”]与$xxx[$xxx]、或$xxx
34 $template = preg_replace(”/\{(\\\$[a-zA-Z0-9_\[\]\’\”\$\.\x7f-\xff]+)\}/s”, “<?=\\1?>”, $template);
35
36 //使用/e修正符，可使替换元素以php代码执行后，再进行replace.
37 $template = preg_replace(”/$var_regexp/es”, “addquote(’<?=\\1?>’)”, $template);
38
39 //再次替换叠加字符串变量
40 $template = preg_replace(”/\<\?\=\<\?\=$var_regexp\?\>\?\>/es”, “addquote(’<?=\\1?>’)”, $template);
41
42 //子模板嵌套解析
43 $template = preg_replace(”/[\n\r\t]*\{template\s+([a-z0-9_]+)\}[\n\r\t]*/is”, “\n<? include template(’\\1′); ?>\n”, $template);
44 $template = preg_replace(”/[\n\r\t]*\{template\s+(.+?)\}[\n\r\t]*/is”, “\n<? include template(\\1); ?>\n”, $template);
45
46 //eval语法解析
47 $template = preg_replace(”/[\n\r\t]*\{eval\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? \\1; ?>\n’,”)”, $template);
48
49 //echo语法解析
50 $template = preg_replace(”/[\n\r\t]*\{echo\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? echo \\1; ?>\n’,”)”, $template);
51
52 //elseif语法解析
53 $template = preg_replace(”/[\n\r\t]*\{elseif\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? } elseif(\\1) { ?>\n’,”)”, $template);
54
55 //else语法解析
56 $template = preg_replace(”/[\n\r\t]*\{else\}[\n\r\t]*/is”, “\n<? } else { ?>\n”, $template);
57
58 for($i = 0; $i < $nest; $i++) {
59 $template = preg_replace(”/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\}[\n\r]*(.+?)[\n\r]*\{\/loop\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(is_array(\\1)) { foreach(\\1 as \\2) { ?>’,'\n\\3\n<? } } ?>\n’)”, $template);
60 $template = preg_replace(”/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}[\n\r\t]*(.+?)[\n\r\t]*\{\/loop\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(is_array(\\1)) { foreach(\\1 as \\2 => \\3) { ?>’,'\n\\4\n<? } } ?>\n’)”, $template);
61 $template = preg_replace(”/[\n\r\t]*\{if\s+(.+?)\}[\n\r]*(.+?)[\n\r]*\{\/if\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(\\1) { ?>’,'\n\\2\n<? } ?>\n’)”, $template);
62 }
63
64 //常量直接输出..
65 $template = preg_replace(”/\{$const_regexp\}/s”, “<?=\\1?>”, $template);
66
67 //相临定界符清除(使语法更加连贯)
68 $template = preg_replace(”/ \?\>[\n\r]*\<\? /s”, ” “, $template);
69
70 if(!@$fp = fopen($objfile, ‘wb’)) {
71 exit(’Directory \’./cache/template/\’ not found or have no access!’);
72 }
73
74 //转换链接中的&符号为&使编译模板读取时能够正常不会将其视为引用..
75 $template = preg_replace(”/\”(http)?[\w\.\/:]+\?[^\”]+?&[^\”]+?\”/e”, “transamp(’\\0′)”, $template);
76
77 flock($fp, 2);
78 fwrite($fp, $template);
79 fclose($fp);
80 }
81
82 //转换&避免&以引用方式执行..
83 function transamp($str) {
84 $str = str_replace(’&’, ‘&’, $str);
85 $str = str_replace(’&’, ‘&’, $str);
86 $str = str_replace(’\”‘, ‘”‘, $str);
87 return $str;
88 }
89
90 //将$var字符串，转换为可执行的php代码形式,并返回其结果..
91 //\”转换为”,将为[xxx]转换为[’xxx’]
92 function addquote($var) {
93 return str_replace(”\\\”", “\”", preg_replace(”/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s”, “[’\\1′]”, $var));
94 }
95
96 //设置语言变量
97 function languagevar($var) {
98 return $GLOBALS[’language’][$var] ? $GLOBALS[’language’][$var] : “!$var!”;
99 }
100 //清理或转换标签为php语法
101 function stripvtags($expr, $statement) {
102 $expr = str_replace(”\\\”", “\”", preg_replace(”/\<\?\=(\\\$.+?)\?\>/s”, “\\1“, $expr));
103 $statement = str_replace(”\\\”", “\”", $statement);
104 return $expr.$statement;
105 }
106
107 ?>
2
3 function parse_template($tplfile, $objfile) {
4 global $options;
5
6 //循环嵌套次数
7 $nest = 3;
8
9 //打开模板文件
10 if(!$fp = fopen($tplfile, ‘rb’)) {
11 exit(’Current template file not found or have no access!’);
12 }
13
14 $template = fread($fp, filesize($tplfile));
15 fclose($fp);
16
17 //匹配变量
18 //双引号(单引号)内的\具有转义所以，要得到一个\必须写为\\；要得到一个$必须写为\$;最后结果为\$,可在正则中使用的变量符号
19 $var_regexp = “((\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)(\[[a-zA-Z0-9_\-\.\”\’\[\]\$\x7f-\xff]+\])*)”;
20
21 //匹配字符
22 $const_regexp = “([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)”;
23
24 //清除缩进(tab)
25 $template = preg_replace(”/([\n\r]+)\t+/s”, “\\1“, $template);
26
27 //清除注释(<!– –>),方便后续操作，不需要匹配多余的<!–
28 $template = preg_replace(”/\<\!\-\-\{(.+?)\}\-\-\>/s”, “{\\1}”, $template);
29
30 //将{LF}替换成一个硬回车(\n)
31 $template = str_replace(”{LF}”, “<?=\”\\n\“?>”, $template);
32
33 //匹配多种变量形式，包括$xxx[”xxxx”]与$xxx[$xxx]、或$xxx
34 $template = preg_replace(”/\{(\\\$[a-zA-Z0-9_\[\]\’\”\$\.\x7f-\xff]+)\}/s”, “<?=\\1?>”, $template);
35
36 //使用/e修正符，可使替换元素以php代码执行后，再进行replace.
37 $template = preg_replace(”/$var_regexp/es”, “addquote(’<?=\\1?>’)”, $template);
38
39 //再次替换叠加字符串变量
40 $template = preg_replace(”/\<\?\=\<\?\=$var_regexp\?\>\?\>/es”, “addquote(’<?=\\1?>’)”, $template);
41
42 //子模板嵌套解析
43 $template = preg_replace(”/[\n\r\t]*\{template\s+([a-z0-9_]+)\}[\n\r\t]*/is”, “\n<? include template(’\\1′); ?>\n”, $template);
44 $template = preg_replace(”/[\n\r\t]*\{template\s+(.+?)\}[\n\r\t]*/is”, “\n<? include template(\\1); ?>\n”, $template);
45
46 //eval语法解析
47 $template = preg_replace(”/[\n\r\t]*\{eval\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? \\1; ?>\n’,”)”, $template);
48
49 //echo语法解析
50 $template = preg_replace(”/[\n\r\t]*\{echo\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? echo \\1; ?>\n’,”)”, $template);
51
52 //elseif语法解析
53 $template = preg_replace(”/[\n\r\t]*\{elseif\s+(.+?)\}[\n\r\t]*/ies”, “stripvtags(’\n<? } elseif(\\1) { ?>\n’,”)”, $template);
54
55 //else语法解析
56 $template = preg_replace(”/[\n\r\t]*\{else\}[\n\r\t]*/is”, “\n<? } else { ?>\n”, $template);
57
58 for($i = 0; $i < $nest; $i++) {
59 $template = preg_replace(”/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\}[\n\r]*(.+?)[\n\r]*\{\/loop\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(is_array(\\1)) { foreach(\\1 as \\2) { ?>’,'\n\\3\n<? } } ?>\n’)”, $template);
60 $template = preg_replace(”/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}[\n\r\t]*(.+?)[\n\r\t]*\{\/loop\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(is_array(\\1)) { foreach(\\1 as \\2 => \\3) { ?>’,'\n\\4\n<? } } ?>\n’)”, $template);
61 $template = preg_replace(”/[\n\r\t]*\{if\s+(.+?)\}[\n\r]*(.+?)[\n\r]*\{\/if\}[\n\r\t]*/ies”, “stripvtags(’\n<? if(\\1) { ?>’,'\n\\2\n<? } ?>\n’)”, $template);
62 }
63
64 //常量直接输出..
65 $template = preg_replace(”/\{$const_regexp\}/s”, “<?=\\1?>”, $template);
66
67 //相临定界符清除(使语法更加连贯)
68 $template = preg_replace(”/ \?\>[\n\r]*\<\? /s”, ” “, $template);
69
70 if(!@$fp = fopen($objfile, ‘wb’)) {
71 exit(’Directory \’./cache/template/\’ not found or have no access!’);
72 }
73
74 //转换链接中的&符号为&使编译模板读取时能够正常不会将其视为引用..
75 $template = preg_replace(”/\”(http)?[\w\.\/:]+\?[^\”]+?&[^\”]+?\”/e”, “transamp(’\\0′)”, $template);
76
77 flock($fp, 2);
78 fwrite($fp, $template);
79 fclose($fp);
80 }
81
82 //转换&避免&以引用方式执行..
83 function transamp($str) {
84 $str = str_replace(’&’, ‘&’, $str);
85 $str = str_replace(’&’, ‘&’, $str);
86 $str = str_replace(’\”‘, ‘”‘, $str);
87 return $str;
88 }
89
90 //将$var字符串，转换为可执行的php代码形式,并返回其结果..
91 //\”转换为”,将为[xxx]转换为[’xxx’]
92 function addquote($var) {
93 return str_replace(”\\\”", “\”", preg_replace(”/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s”, “[’\\1′]”, $var));
94 }
95
96 //设置语言变量
97 function languagevar($var) {
98 return $GLOBALS[’language’][$var] ? $GLOBALS[’language’][$var] : “!$var!”;
99 }
100 //清理或转换标签为php语法
101 function stripvtags($expr, $statement) {
102 $expr = str_replace(”\\\”", “\”", preg_replace(”/\<\?\=(\\\$.+?)\?\>/s”, “\\1“, $expr));
103 $statement = str_replace(”\\\”", “\”", $statement);
104 return $expr.$statement;
105 }
106
107 ?>
