将RTF格式的文件转成HTML并在网页中显示的代码
它是这样工作的，将一个RTF文件上传，然后转成HTML显示出来，代码有点复杂,teaman还要好好研究,好象中文版有点问题。
1<html>
2<body>
3<?
4if(!($userfile)) {
5?>
6<form action="<?print($PHP_SELF);?>" enctype="multipart/form-data" method="post">
7<input name="max_file_size" type="hidden" value="2000"/>
8Send this file: <input name="userfile" type="file"/>
9<input type="submit" value="Upload"/>
10</form>
11</body>
12</html>
"; }
elseif(ereg("\\\\\pard\\\\\qr", $tags)) { $html .= "
"; }
elseif(ereg("\\\\\pard", $tags)){ $html .= "
"; }
// Remove \pard from the tags so it does
// n't get confused with \par.
$tags = ereg_replace("\\\\\pard", "", $tags);
// Convert line breaks.
if(ereg("\\\\\par", $tags)){ $html .= "
"; } // Use the color table to capture the fo // nt color changes. if(ereg("\\\\\cf[0-9]", $tags)) { global $fcolor; $numcolors = count($fcolor); for($i = 0; $i < $numcolors; $i++) { $test = "\\\\\cf" . ($i + 1); if(ereg($test, $tags)) { $color = $fcolor[$i]; } } } // Capture font size changes. if(ereg("\\\\\fs[0-9][0-9]", $tags, $temp)) { $size = ereg_replace("\\\\\fs", "", $temp[0]); $size /= 2; if($size <= 10) { $size = 1; } elseif($size <= 12) { $size = 2; } elseif($size <= 14) { $size = 3; } elseif($size <= 16) { $size = 4; } elseif($size <= 18) { $size = 5; } elseif($size <= 20) { $size = 6; } elseif($size <= 22) { $size = 7; } else{ $size = 8; } } // If there was a font color or size cha // nge, change the font tag now. if(ereg("(\\\\\cf[0-9])||(\\\\\fs[0-9][0-9])", $tags)) { $html .= ""; } // Replace \tab with alternating spaces // and nonbreakingwhitespaces. if(ereg("\\\\\\(tab)", $tags)) { $html .= " "; } return $html; } function ProcessWord($word) { // Replace \\\ with \ $word = ereg_replace("[\\\\]{2,}", "\\\", $word); // Replace \\{ with { $word = ereg_replace("[\\\\][\\{]", "\\{", $word); // Replace \\} with } $word = ereg_replace("[\\\\][\\}]", "\\}", $word); // Replace 2 spaces with one space. $word = ereg_replace(" ", " ", $word); return $word; } $color = "000000"; $size = 1; $bullets = 0; // Read the uploaded file into an array. // $rtfile = file($userfile); $fileLength = count($rtfile); // Loop through the rest of the array for($i = 1; $i < $fileLength; $i++) { /* ** If the line contains "\colortbl" then we found the color table. ** We'll have to split it up into each individual red, green, and blue ** Convert it to hex and then put the red, green, and blue back together. ** Then store each into an array called fcolor. */ if(ereg("^\\{\\\\\colortbl", $rtfile[$i])) { // Split the line by the backslash. $colors = explode("\\\", $rtfile[$i]); $numOfColors = count($colors); for($k = 2; $k < $numOfColors; $k++) { // Find out how many different colors th // ere are. if(ereg("[0-9]+", $colors[$k], $matches)) { $match[] = $matches[0]; } } // For each color, convert it to hex. $numOfColors = count($match); for($k = 0; $k < $numOfColors; $k += 3) { $red = dechex($match[$k]); $red = $match[$k] < 16 ? "0$red" : $red; $green = dechex($match[$k + 1]); $green = $match[$k +1] < 16 ? "0$green" : $green; $blue = dechex($match[$k + 2]); $blue = $match[$k + 2] < 16 ? "0$blue" : $blue; $fcolor[] = "$red$green$blue"; } $numOfColors = count($fcolor); } // Or else, we parse the line, pulling o // ff words and tags. else { $token = ""; $start = 0; $lineLength = strlen($rtfile[$i]); for($k = 0; $k < $lineLength; $k++) { if($rtfile[$i][$start] == "\\\" && $rtfile[$i][$start + 1] != "\\\") { // We are now dealing with a tag. $token .= $rtfile[$i][$k]; if($rtfile[$i][$k] == " ") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; $start = $k + 1; } elseif($rtfile[$i][$k] == "\n") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; } } elseif($rtfile[$i][$start] == "{") { // We are now dealing with a tag. $token .= $rtfile[$i][$k]; if($rtfile[$i][$k] == "}") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; $start = $k + 1; } } else { // We are now dealing with a word. if($rtfile[$i][$k] == "\\\" && $rtfile[$i][$k + 1] != "\\\" && $rtfile[$i][$k - 1] != "\\\") { $newFile[$i] .= ProcessWord($token); $token = $rtfile[$i][$k]; $start = $k; } else { $token .= $rtfile[$i][$k]; } } } } } $limit = sizeof($newFile); for($i = 0; $i < $limit; $i++) { print("$newFile[$i]\n"); } ?>
"; } // Use the color table to capture the fo // nt color changes. if(ereg("\\\\\cf[0-9]", $tags)) { global $fcolor; $numcolors = count($fcolor); for($i = 0; $i < $numcolors; $i++) { $test = "\\\\\cf" . ($i + 1); if(ereg($test, $tags)) { $color = $fcolor[$i]; } } } // Capture font size changes. if(ereg("\\\\\fs[0-9][0-9]", $tags, $temp)) { $size = ereg_replace("\\\\\fs", "", $temp[0]); $size /= 2; if($size <= 10) { $size = 1; } elseif($size <= 12) { $size = 2; } elseif($size <= 14) { $size = 3; } elseif($size <= 16) { $size = 4; } elseif($size <= 18) { $size = 5; } elseif($size <= 20) { $size = 6; } elseif($size <= 22) { $size = 7; } else{ $size = 8; } } // If there was a font color or size cha // nge, change the font tag now. if(ereg("(\\\\\cf[0-9])||(\\\\\fs[0-9][0-9])", $tags)) { $html .= ""; } // Replace \tab with alternating spaces // and nonbreakingwhitespaces. if(ereg("\\\\\\(tab)", $tags)) { $html .= " "; } return $html; } function ProcessWord($word) { // Replace \\\ with \ $word = ereg_replace("[\\\\]{2,}", "\\\", $word); // Replace \\{ with { $word = ereg_replace("[\\\\][\\{]", "\\{", $word); // Replace \\} with } $word = ereg_replace("[\\\\][\\}]", "\\}", $word); // Replace 2 spaces with one space. $word = ereg_replace(" ", " ", $word); return $word; } $color = "000000"; $size = 1; $bullets = 0; // Read the uploaded file into an array. // $rtfile = file($userfile); $fileLength = count($rtfile); // Loop through the rest of the array for($i = 1; $i < $fileLength; $i++) { /* ** If the line contains "\colortbl" then we found the color table. ** We'll have to split it up into each individual red, green, and blue ** Convert it to hex and then put the red, green, and blue back together. ** Then store each into an array called fcolor. */ if(ereg("^\\{\\\\\colortbl", $rtfile[$i])) { // Split the line by the backslash. $colors = explode("\\\", $rtfile[$i]); $numOfColors = count($colors); for($k = 2; $k < $numOfColors; $k++) { // Find out how many different colors th // ere are. if(ereg("[0-9]+", $colors[$k], $matches)) { $match[] = $matches[0]; } } // For each color, convert it to hex. $numOfColors = count($match); for($k = 0; $k < $numOfColors; $k += 3) { $red = dechex($match[$k]); $red = $match[$k] < 16 ? "0$red" : $red; $green = dechex($match[$k + 1]); $green = $match[$k +1] < 16 ? "0$green" : $green; $blue = dechex($match[$k + 2]); $blue = $match[$k + 2] < 16 ? "0$blue" : $blue; $fcolor[] = "$red$green$blue"; } $numOfColors = count($fcolor); } // Or else, we parse the line, pulling o // ff words and tags. else { $token = ""; $start = 0; $lineLength = strlen($rtfile[$i]); for($k = 0; $k < $lineLength; $k++) { if($rtfile[$i][$start] == "\\\" && $rtfile[$i][$start + 1] != "\\\") { // We are now dealing with a tag. $token .= $rtfile[$i][$k]; if($rtfile[$i][$k] == " ") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; $start = $k + 1; } elseif($rtfile[$i][$k] == "\n") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; } } elseif($rtfile[$i][$start] == "{") { // We are now dealing with a tag. $token .= $rtfile[$i][$k]; if($rtfile[$i][$k] == "}") { $newFile[$i] .= ProcessTags($token, $i); $token = ""; $start = $k + 1; } } else { // We are now dealing with a word. if($rtfile[$i][$k] == "\\\" && $rtfile[$i][$k + 1] != "\\\" && $rtfile[$i][$k - 1] != "\\\") { $newFile[$i] .= ProcessWord($token); $token = $rtfile[$i][$k]; $start = $k; } else { $token .= $rtfile[$i][$k]; } } } } } $limit = sizeof($newFile); for($i = 0; $i < $limit; $i++) { print("$newFile[$i]\n"); } ?>