将RTF格式的文件转成HTML并在网页中显示的代码

// 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");

}

?>