/lenasys/trunk : contents of CodeViewer/codeviewerfunctions.php at revision 28

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<?php
/* function menulayout
 * Takes 6 arguments and outputs a HTML navigation menu
* $forwardLink = link to "next page", i.e. "nextPage.html"
* $backwardLink = link to "previous page", i.e. "previousPage.html"
* $downloadLink = link to download source file, on download button, i.e. "sourceFile.txt"
* headingLink = link in heading, i.e. "sourceFile.txt"
* fileContent = file containing info in the left panel, i.e. "panelContent.txt"
*/
function menulayout($forwardLink, $backwardLink, $downloadLink, $heading, $headingLink, $fileContent) {
	if($backwardLink != "") {
		$backwardButton = "<a href='".$backwardLink."'><img src='../media/codeviewer/CodeViewerLeftbutton.png'></a>";
	} else {
		$backwardButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	}

	if($forwardLink != "") {
		$forwardButton = "<a href='".$forwardLink."'><img src='../media/codeviewer/CodeViewerRightbutton.png'></a>";
	} else {
		$forwardButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	}

	if($downloadLink != "") {
		$downloadButton = "<a href='".$downloadLink."'><img src='../media/codeviewer/CodeViewerDownloadbutton.png'></a>";
	} else {
		$downloadButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	}

	echo '<body onload="resize();" onresize="resize();">
			<div class="Topmenu">
				<table style="width:100%;height:100%;border:solid 1px;">
					<tr>
						<td class="buttonstyle">
							'. $backwardButton .'
						</td>
						<td class="buttonstyle">
							'. $forwardButton .'
						</td>
						<td class="buttonstyle">
							<a href="../Lindex.html"><img src="../media/codeviewer/CodeViewerRightbutton.png"></a>
						</td>
						<td class="verticalaligntext">
							<a href="'. $headingLink .'" style="text-decoration: none">'. $heading .'</a>
						</td>
						<td class="buttonstyle">
							'. $downloadButton .'
						</td>
					</tr>
				</table>
			</div>
			<div id="bottom" class="restContainer">
				<div style="float: left;">
					<div id="panel" class="panel" onmousemove="resizepanel(event)" onmousedown="mdpanel(event)" onmouseup="mupanel(event)">';
						include($fileContent);
				echo '</div>
				</div>
			<div class="codecontent">';
}

/* function menulayoutend
 * Outputs ending tags in HTML
*/
function menulayoutEnd() {
	echo '</div>
		</div>
		<div style="clear: both;">
		</div>
	</body>';
}

/* function showfile
 * Outputs html with syntax highlighting.
* Takes 4 arguments_
* interestingRows: array containing arrays, each with 3 set values -- start line number, end line number, comment
* keywords: array containing keywords
* highlight: array containing arrays, each with two values - string to highlight, and HTML class to apply to highlight */
function showfile($interestingRows, $keywords, $highlight, $fileName) {
	echo "<pre>";
	$handle = @fopen($fileName, "r");
	if ($handle) {

		$lineNumber = 1;
		$commentKind = 0;
		$commentOn = 0;

		while (($buffer = fgets($handle, 4096)) !== false) {
			$buffer = str_replace("\n", "", $buffer);
			$buffer = str_replace("\r", "", $buffer);
			$buffer = str_pad($buffer, 150, " ", STR_PAD_RIGHT);
			$buffer = str_replace("&", "&amp;", $buffer);
			$buffer = str_replace("<", "&lt;", $buffer);
			$buffer = str_replace(">", "&gt;", $buffer);
			$buffer = str_replace("\t", "&nbsp;", $buffer);

			$interesting = 0;
			$startspan = 0;
			foreach($interestingRows as $row) {
				if($lineNumber >= $row[0] && $lineNumber <= $row[1]) {
					$interesting = true;
				}
			}

			foreach($keywords as $keyword) {
				if($interesting) {
					$buffer = str_replace($keyword,"<span class='keywordinteresting'>".$keyword."</span>", $buffer);
				} else {
					$buffer = str_replace($keyword,"<span class='keyword'>".$keyword."</span>", $buffer);
				}
			}

			// Detect comments - 0 == No comment 1 == Line comment 2 == Start Comment 3 == End Comment
			$commentKind = 0;
			$commentPos = strpos($buffer,"/*");

			if($commentPos >= 0) {
				$subby = substr($buffer, $commentPos+2, 1);
			} else {
				$subby = "Foo";
			}

			if($commentPos && $subby != '"') {
				$commentKind = 2;
				$commentOn = 1;
			}

			$commentPos = strpos($buffer, "*/");

			if($commentPos) {
				$commentKind = 3;
				$commentOn = 0;
			}

			$commentPos=strpos($buffer, "//");

			if($commentPos) {
				$commentKind = 1;
				$commentOn = 0;
			}

			foreach($highlight as $highlightkeyword) {
				$foundpos = strpos($buffer, $highlightkeyword[0]);

				// If line comment and keyword before comment marker
				if(($foundpos <= $commentPos && ($commentKind == 1 || $commentKind == 2)) || ($commentKind == 0) || ($foundpos > $commentPos && $commentKind == 3)) {
					if(!($commentKind == 0 && $commentOn == 1)) {
						$buffer = str_replace($highlightkeyword[0], "<span class='".$highlightkeyword[1]."'>".$highlightkeyword[0]."</span>", $buffer);
					}
				}

			}

			// echo $commentKind.$commentOn;
			if($commentKind > 0) {
				if($commentKind == 1) {
					$buffer = str_replace("//","<span class='commented'>//", $buffer);
					$buffer .= "</span>";
				}
				if($commentKind == 2) {
					$buffer=str_replace("/*","<span class='commented'>/*", $buffer);
				}
				if($commentKind == 3) {
					$buffer=str_replace("*/","*/</span>", $buffer);
				}
			}

			$linenostr = $lineNumber;
			$linenostr = str_pad($linenostr, 3, " ", STR_PAD_RIGHT);

			if($interesting) {
				echo "<span class='interesting'>";
				echo "<span class='linenointeresting'>".$linenostr."</span>&nbsp;";
				$startspan = 1;
			} else {
				echo "<span class='lineno'>".$linenostr."</span>&nbsp;";
			}

			echo $buffer;

			if($startspan) {
				echo "</span>";
			}

			$lineNumber++;
			echo "<br>";
		}
		if (!feof($handle)) {
			echo "Error: unexpected fgets() fail\n";
		}
		fclose($handle);
	}
	echo "</pre>";
}
?>

1 by Henrik G. First seed of Lenasys ... Needs to be Organized Further	1	<?php
11.5.1 by a11vikob Fixed hopefully everything in Bug #1164597	2	/* function menulayout
	3	* Takes 6 arguments and outputs a HTML navigation menu
	4	* $forwardLink = link to "next page", i.e. "nextPage.html"
	5	* $backwardLink = link to "previous page", i.e. "previousPage.html"
	6	* $downloadLink = link to download source file, on download button, i.e. "sourceFile.txt"
	7	* headingLink = link in heading, i.e. "sourceFile.txt"
	8	* fileContent = file containing info in the left panel, i.e. "panelContent.txt"
	9	*/
	10	function menulayout($forwardLink, $backwardLink, $downloadLink, $heading, $headingLink, $fileContent) {
	11	if($backwardLink != "") {
	12	$backwardButton = "<a href='".$backwardLink."'><img src='../media/codeviewer/CodeViewerLeftbutton.png'></a>";
	13	} else {
	14	$backwardButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	15	}
	16
	17	if($forwardLink != "") {
	18	$forwardButton = "<a href='".$forwardLink."'><img src='../media/codeviewer/CodeViewerRightbutton.png'></a>";
	19	} else {
	20	$forwardButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	21	}
	22
	23	if($downloadLink != "") {
	24	$downloadButton = "<a href='".$downloadLink."'><img src='../media/codeviewer/CodeViewerDownloadbutton.png'></a>";
	25	} else {
	26	$downloadButton = "<img src='../media/codeviewer/CodeViewerLeftbuttonGrayed.png'>";
	27	}
	28
	29	echo '<body onload="resize();" onresize="resize();">
9.4.1 by elof.bigestans at gmail * Re-structured according to new folder structure - moved media out, moved things in /Codeviewer/Codeviewer to /Codeviewer	30	<div class="Topmenu">
	31	<table style="width:100%;height:100%;border:solid 1px;">
4.9.5 by elof.bigestans at gmail Added comments to functions in showcode.php	32	<tr>
	33	<td class="buttonstyle">
9.4.1 by elof.bigestans at gmail * Re-structured according to new folder structure - moved media out, moved things in /Codeviewer/Codeviewer to /Codeviewer	34	'. $backwardButton .'
	35	</td>
	36	<td class="buttonstyle">
	37	'. $forwardButton .'
	38	</td>
	39	<td class="buttonstyle">
	40	<a href="../Lindex.html"><img src="../media/codeviewer/CodeViewerRightbutton.png"></a>
4.9.6 by elof.bigestans at gmail Cleaned up showcode.php, function menulayout()	41	</td>
	42	<td class="verticalaligntext">
11.5.1 by a11vikob Fixed hopefully everything in Bug #1164597	43	<a href="'. $headingLink .'" style="text-decoration: none">'. $heading .'</a>
4.9.6 by elof.bigestans at gmail Cleaned up showcode.php, function menulayout()	44	</td>
9.4.1 by elof.bigestans at gmail * Re-structured according to new folder structure - moved media out, moved things in /Codeviewer/Codeviewer to /Codeviewer	45	<td class="buttonstyle">
	46	'. $downloadButton .'
4.9.6 by elof.bigestans at gmail Cleaned up showcode.php, function menulayout()	47	</td>
	48	</tr>
	49	</table>
	50	</div>
	51	<div id="bottom" class="restContainer">
	52	<div style="float: left;">
9.4.1 by elof.bigestans at gmail * Re-structured according to new folder structure - moved media out, moved things in /Codeviewer/Codeviewer to /Codeviewer	53	<div id="panel" class="panel" onmousemove="resizepanel(event)" onmousedown="mdpanel(event)" onmouseup="mupanel(event)">';
11.5.1 by a11vikob Fixed hopefully everything in Bug #1164597	54	include($fileContent);
	55	echo '</div>
	56	</div>
	57	<div class="codecontent">';
	58	}
	59
	60	/* function menulayoutend
	61	* Outputs ending tags in HTML
	62	*/
	63	function menulayoutEnd() {
	64	echo '</div>
	65	</div>
	66	<div style="clear: both;">
	67	</div>
	68	</body>';
	69	}
	70
	71	/* function showfile
	72	* Outputs html with syntax highlighting.
	73	* Takes 4 arguments_
	74	* interestingRows: array containing arrays, each with 3 set values -- start line number, end line number, comment
	75	* keywords: array containing keywords
	76	* highlight: array containing arrays, each with two values - string to highlight, and HTML class to apply to highlight */
	77	function showfile($interestingRows, $keywords, $highlight, $fileName) {
	78	echo "<pre>";
	79	$handle = @fopen($fileName, "r");
	80	if ($handle) {
	81
	82	$lineNumber = 1;
	83	$commentKind = 0;
	84	$commentOn = 0;
	85
	86	while (($buffer = fgets($handle, 4096)) !== false) {
	87	$buffer = str_replace("\n", "", $buffer);
	88	$buffer = str_replace("\r", "", $buffer);
	89	$buffer = str_pad($buffer, 150, " ", STR_PAD_RIGHT);
	90	$buffer = str_replace("&", "&", $buffer);
	91	$buffer = str_replace("<", "<", $buffer);
	92	$buffer = str_replace(">", ">", $buffer);
	93	$buffer = str_replace("\t", " ", $buffer);
	94
	95	$interesting = 0;
	96	$startspan = 0;
	97	foreach($interestingRows as $row) {
	98	if($lineNumber >= $row[0] && $lineNumber <= $row[1]) {
	99	$interesting = true;
	100	}
	101	}
	102
	103	foreach($keywords as $keyword) {
	104	if($interesting) {
	105	$buffer = str_replace($keyword,"<span class='keywordinteresting'>".$keyword."</span>", $buffer);
4.9.4 by elof.bigestans at gmail Cleaned up showcode.php -- Fixed spacing between operators and variable declarations	106	} else {
11.5.1 by a11vikob Fixed hopefully everything in Bug #1164597	107	$buffer = str_replace($keyword,"<span class='keyword'>".$keyword."</span>", $buffer);
	108	}
	109	}
	110
	111	// Detect comments - 0 == No comment 1 == Line comment 2 == Start Comment 3 == End Comment
	112	$commentKind = 0;
	113	$commentPos = strpos($buffer,"/*");
	114
	115	if($commentPos >= 0) {
	116	$subby = substr($buffer, $commentPos+2, 1);
	117	} else {
	118	$subby = "Foo";
	119	}
	120
	121	if($commentPos && $subby != '"') {
	122	$commentKind = 2;
	123	$commentOn = 1;
	124	}
	125
	126	$commentPos = strpos($buffer, "*/");
	127
	128	if($commentPos) {
	129	$commentKind = 3;
	130	$commentOn = 0;
	131	}
	132
	133	$commentPos=strpos($buffer, "//");
	134
	135	if($commentPos) {
	136	$commentKind = 1;
	137	$commentOn = 0;
	138	}
	139
	140	foreach($highlight as $highlightkeyword) {
	141	$foundpos = strpos($buffer, $highlightkeyword[0]);
	142
	143	// If line comment and keyword before comment marker
	144	if(($foundpos <= $commentPos && ($commentKind == 1 \|\| $commentKind == 2)) \|\| ($commentKind == 0) \|\| ($foundpos > $commentPos && $commentKind == 3)) {
	145	if(!($commentKind == 0 && $commentOn == 1)) {
	146	$buffer = str_replace($highlightkeyword[0], "<span class='".$highlightkeyword[1]."'>".$highlightkeyword[0]."</span>", $buffer);
	147	}
	148	}
	149
	150	}
	151
	152	// echo $commentKind.$commentOn;
	153	if($commentKind > 0) {
	154	if($commentKind == 1) {
	155	$buffer = str_replace("//","<span class='commented'>//", $buffer);
	156	$buffer .= "</span>";
	157	}
	158	if($commentKind == 2) {
	159	$buffer=str_replace("/","<span class='commented'>/", $buffer);
	160	}
	161	if($commentKind == 3) {
	162	$buffer=str_replace("/","/</span>", $buffer);
	163	}
	164	}
	165
	166	$linenostr = $lineNumber;
	167	$linenostr = str_pad($linenostr, 3, " ", STR_PAD_RIGHT);
	168
	169	if($interesting) {
	170	echo "<span class='interesting'>";
171	echo "<span class='linenointeresting'>".$linenostr."</span> ";
172	$startspan = 1;
173	} else {
174	echo "<span class='lineno'>".$linenostr."</span> ";
175	}
176
177	echo $buffer;
178
179	if($startspan) {
180	echo "</span>";
181	}
182
183	$lineNumber++;
184	echo "<br>";
185	}
186	if (!feof($handle)) {
187	echo "Error: unexpected fgets() fail\n";
188	}
189	fclose($handle);
1 by Henrik G. First seed of Lenasys ... Needs to be Organized Further	190	}
11.5.1 by a11vikob Fixed hopefully everything in Bug #1164597	191	echo "</pre>";
	192	}
1 by Henrik G. First seed of Lenasys ... Needs to be Organized Further	193	?>