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BookDesigner.parser.php
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BookDesigner.parser.php
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<?php
class BookDesignerParser {
function __construct($designer, $options) {
$this->designer = $designer;
$this->options = $options;
}
protected $designer;
protected $options;
protected $pagestack = array();
protected $pagelist = array();
protected $titlepage = null;
function getPages() {
return $this->pagelist;
}
function titlePage() {
return $this->titlepage;
}
function getHeaderTemplateTag() {
$bookname = $this->titlepage->name();
return $this->options->UseHeader() ? "{{" . $bookname . "}}" : "";
}
function getFooterTemplateTag() {
$bookname = $this->titlepage->name();
return $this->options->UseFooter() ? "{{" . $bookname . "/Footer}}" : "";
}
function getPageLinkWikiText($path, $name) {
$template = $this->options->PageLinkTemplate();
return str_replace(array('$1', '$2'), array($path, $name), $template);
}
function getSectionHeadWikiText($name) {
$template = $this->options->SectionHeaderTemplate();
return str_replace('$1', $name, $template);
}
function getPageHeadText($isroot) {
if ($this->options == null)
return "";
$text = $this->getHeaderTemplateTag() . "\n\n";
return $text;
}
function getPageFootText($isroot) {
$text = "\n\n";
return $text . $this->getFooterTemplateTag();
}
function addPageToList($page) {
$this->pagelist[] = $page;
}
function getHeaderTemplateText() {
$header = wfMsg('bookdesigner-defaultheader', $this->titlepage->name(),
$this->titlepage->fullname());
return $header;
}
function getFooterTemplateText() {
$header = wfMsg('bookdesigner-defaultfooter', $this->titlepage->name(),
$this->titlepage->fullname());
return $header;
}
function maybeAddTemplates() {
if ($this->options->useHeader()) {
$head = new BookDesignerPage("Template:" . $this->titlepage->name(),
"Template:" . $this->titlepage->name());
$head->text($this->getHeaderTemplateText());
$head->forceCreate(true);
$this->addPageToList($head);
}
if ($this->options->useFooter()) {
$name = "Template:" . $this->titlepage->name() . "/Footer";
$foot = new BookDesignerPage($name, $name);
$foot->text($this->getFooterTemplateText());
$foot->forceCreate(true);
$this->addPageToList($foot);
}
}
# push a new page onto the stack, and set it as the current. Return the
# object with information about the page
function startPage($name, $fullname, $children) {
$num = sizeof($this->pagestack);
$isroot = true;
if ($num > 0)
$isroot = false;
$page = new BookDesignerPage($name, $fullname);
if ($this->titlepage == null)
$this->titlepage = $page;
$page->children($children);
$page->text($this->getPageHeadText($isroot));
array_push($this->pagestack, $page);
$this->currentpage = $page;
return $page;
}
# pop the last page off the stack, update the current page to be the previous
# one, and return the page that was popped
function endPage() {
$old = array_pop($this->pagestack);
$num = sizeof($this->pagestack);
$isroot = false;
if ($num > 0) {
$lastpage = $this->pagestack[sizeof($this->pagestack) - 1];
$this->currentpage = $lastpage;
}
else {
$isroot = true;
$this->currentpage = null;
}
$old->addText($this->getPageFootText($isroot));
return $old;
}
function parseTitlePageOnly($text) {
$lines = explode("\n", $text);
for ($i = 0; $i < sizeof($lines); $i++) {
$line = $lines[$i];
if (preg_match("/<page name=\"([^\"]+)\" children='(\d+)'>/", $line, $matches)) {
$name = $matches[1];
$this->startPage($name, $name, $matches[2]);
return;
}
}
}
# Home-brewed XML parser. I'm not familiar with any PHP XML libraries or
# utilities, and I don't know what features the MediaWiki server is going
# to have available anyway, so I'm just writing my own quickly.
# TODO: Reimplement 'NumberPages' option, to prepend a page number to each page.
function parse($text) {
global $wgOut, $wgScriptPath;
$matches = array();
$lines = explode("\n", $text);
$bookline = $lines[0];
if (!preg_match("/<page name=\"([^\"]+)\" children='(\d+)'>/", $bookline, $matches)) {
$wgOut->addHTML("XML ERROR");
return;
}
# dummy, just to get the loop started
$this->currentpage = new BookDesignerPage("", "");
for ($i = 0; $i < sizeof($lines); $i++) {
$line = $lines[$i];
if (preg_match("/<page name=\"([^\"]+)\" children='(\d+)'>/", $line, $matches)) {
$name = $matches[1];
if ($i == 0)
$fullname = $this->options->bookNamespace() . $name;
else
$fullname = $this->currentpage->fullname() . "/" . $name;
$this->currentpage->addText($this->getPageLinkWikiText($fullname, $name) . "\n");
$this->startPage($name, $fullname, $matches[2]);
}
else if (preg_match("/<heading name=\"([^\"]+)\" children='(\d+)'>/", $line, $matches)) {
$name = $matches[1];
$this->currentpage->addText($this->getSectionHeadWikiText($name) . "\n\n");
}
else if($line == "</page>") {
$page = $this->endPage();
$this->addPageToList($page);
}
else if($line == "</heading>") {
}
}
$this->maybeAddTemplates();
}
}