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Code Issues Projects Releases Wiki Activity

Latest changes from Howard Miller

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This commit is contained in:
moodler 2003-05-27 14:25:15 +00:00
parent fc55b4e900
commit 16cba4cf88
1 changed files with 97 additions and 66 deletions
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163
lib/wiki.php
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@ -51,42 +51,35 @@ class Wiki {
var $block_state;
var $list_state;
var $list_depth;
var $list_backtrack;
var $output; // output buffer
function close_block( $state ) {
// provide appropriate closure for block according to state
// if in list close this first
$ltag = "";
switch ($this->list_state) {
case LIST_NONE:
break;
case LIST_UNORDERED:
$ltag = "</ul>\n";
break;
case LIST_ORDERED:
$ltag = "</ol>\n";
break;
case LIST_DEFINITION:
$ltag = "</dl>\n";
break;
}
$this->list_state = LIST_NONE;
$lclose = "";
if ($this->list_state != LIST_NONE) {
$lclose = $this->do_list( " ",true );
}
$sclose = "";
switch ($state) {
case STATE_PARAGRAPH:
return "$ltag</p>\n";
$sclose = "</p>\n";
break;
case STATE_BLOCKQUOTE:
return "$ltag</blockquote>\n";
$sclose = "</blockquote>\n";
break;
case STATE_PREFORM:
return "$ltag</pre>\n";
$sclose = "</pre>\n";
break;
case STATE_NOTIKI:
return "$ltag</pre>\n";
$sclose = "</pre>\n";
break;
}
return $lclose . $sclose;
}
@ -117,53 +110,79 @@ class Wiki {
$replace = '<'.$tag.'>\\1</'.$tag.'>';
return eregi_replace( $regex, $replace, $line );
}
function do_list( $line ) {
function do_list( $line, $blank=false ) {
// handle line with list character on it
// if blank line implies drop to level 0
// get magic character and then delete it from the line
$listchar = $line{0};
$line = eregi_replace( "^[*#;:] ", "", $line );
// get magic character and then delete it from the line if not blank
if ($blank) {
$listchar="";
$count = 0;
}
else {
$listchar = $line{0};
$count = strspn( $line, $listchar );
$line = eregi_replace( "^[".$listchar."]+ ", "", $line );
}
// if not in "list mode" then we need to drop the appropriate start tag
$tag = "";
if ($this->list_state == LIST_NONE) {
switch ($listchar) {
case '*':
$tag = "<ul>";
$this->list_state = LIST_UNORDERED;
break;
case '#':
$tag = "<ol>";
$this->list_state = LIST_ORDERED;
break;
case ';':
case ':':
$tag = "<dl>";
$this->list_state = LIST_DEFINITION;
break;
}
}
// find what sort of list this character represents
$list_tag = "";
$item_tag = "";
$list_style = LIST_NONE;
switch ($listchar) {
case '*':
$list_tag = "ul";
$item_tag = "li";
$list_style = LIST_UNORDERED;
break;
case '#':
$list_tag = "ol";
$item_tag = "li";
$list_style = LIST_ORDERED;
break;
case ';':
$list_tag = "dl";
$item_tag = "dd";
$list_style = LIST_DEFINITION;
break;
case ':':
$list_tag = "dl";
$item_tag = "dt";
$list_style = LIST_DEFINITION;
break;
}
// tag opening/closing regime now - fun bit :-)
$tags = "";
// if depth has reduced do number of closes to restore level
for ($i=$this->list_depth; $i>$count; $i-- ) {
$close_tag = array_pop( $this->list_backtrack );
$tags = $tags . $close_tag;
}
// if depth has increased do number of opens to balance
for ($i=$this->list_depth; $i<$count; $i++ ) {
array_push( $this->list_backtrack, "</$list_tag>" );
$tags = $tags . "<$list_tag>";
}
// ok, so list state is now same as style and depth same as count
$this->list_state = $list_style;
$this->list_depth = $count;
// apply formatting to remainder of line
$line = $this->line_replace( $line );
// generate appropriate list tag
$ltag = "";
switch ($listchar) {
case '*':
case '#':
$ltag = "<li>";
break;
case ';':
$ltag = "<dd>";
break;
case ':':
$ltag = "<dt>";
break;
}
return $tag . $ltag . $line;
if ($blank) {
$newline = $tags;
}
else {
$newline = $tags . "<$item_tag>" . $line . "</$item_tag>";
}
return $newline;
}
function line_replace( $line ) {
@ -178,7 +197,7 @@ class Wiki {
$line = eregi_replace( "^-{4}.*", "<div class=\"hr\"><hr /></div>", $line );
// is this a list line (starts with * # ; :)
if (eregi( "^[*#;:] ", $line )) {
if (eregi( "^([*]+|[#]+|[;]+|[:]+) ", $line )) {
$line = $this->do_list( $line );
}
@ -231,6 +250,20 @@ class Wiki {
$line = eregi_replace( " ([a-zA-Z]+):([0-9]+)\(([^)]+)\)",
" <a href=\"".$CFG->wwwroot."/mod/\\1/view.php?id=\\2\">\\3</a> ", $line );
}
// *Moodle specific* replace picture resource link
if (IN_MOODLE==1) {
global $course;
if ($CFG->slasharguments) {
$line = eregi_replace( "/([a-zA-Z./_-]+)(png|gif|jpg)\(([^)]+)\)",
"<img src=\"$CFG->wwwroot/file.php/$course->id/\\1\\2\" alt=\"\\3\" />", $line );
}
else {
$line = eregi_replace( "/([a-zA-Z./_-]+)(png|gif|jpg)\(([^)]+)\)",
"<img src=\"$CFG->wwwroot/file.php\?file=$course->id/\\1\\2\" alt=\"\\3\" />", $line );
}
}
return $line;
}
@ -244,6 +277,8 @@ class Wiki {
$this->output = "";
$this->block_state = STATE_NONE;
$this->list_state = LIST_NONE;
$this->list_depth = 0;
$this->list_backtrack = array();
// split content into array of single lines
$lines = explode( "\n",$content );
@ -255,11 +290,6 @@ class Wiki {
// run through lines
foreach( $lines as $line ) {
// convert line contents
// if ($this->block_state!=STATE_NOTIKI) {
// $line = $this->line_replace( $line );
//}
// is this a blank line?
$blank_line = eregi( "^[[:blank:]\r]*$", $line );
if ($blank_line) {
@ -332,7 +362,8 @@ class Wiki {
// close off wiki div
$buffer = $buffer . "</div>\n";
return $buffer;
//return $buffer;
return $buffer;
}
}