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Reading more info...
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stronk7 committed May 17, 2003
1 parent a4ad03f commit ca21294
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Showing 2 changed files with 102 additions and 13 deletions.
1 change: 1 addition & 0 deletions backup/restore_precheck.html
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@
echo "<li>Reading info from file";
//Reading info from file
$info = restore_read_xml_info ($xml_file);
print_object ($info);
}

//End the main ul
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114 changes: 101 additions & 13 deletions backup/restorelib.php
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,6 @@ function restore_read_xml_info ($xml_file) {
$info = restore_read_xml ($xml_file,"INFO",false);

return $info;

echo "finished";
}

//=====================================================================================
Expand All @@ -71,47 +69,137 @@ class MoodleParser {
var $tree = array(); //Array of levels we are
var $content = ""; //Content under current level
var $todo = ""; //What we hav to do when parsing
var $info = array(); //Information collected (todo = INFO)
var $info = ""; //Information collected. Temp storage.
var $preferences = ""; //Preferences about what to load !!
var $finished = false; //Flag to say xml_parse to stop

//This is the startTag handler we use where we are reading the info zone (todo="INFO")
function startElementInfo($parser, $tagName, $attrs) {
//Refresh properties
$this->level++;
$this->tree[$this->level] = $tagName;

//Check if we are into INFO zone
//if ($this->tree[2] == "INFO") //Debug
// echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;".$tagName."&gt;<br>\n"; //Debug
}

//This is the startTag default handler we use when todo is undefined
function startElement($parser, $tagName, $attrs) {
$this->level++;
$this->tree[$this->level] = $tagName;
echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;".$tagName."&gt;<br>\n"; //Debug
}

//This is the endTag handler we use where we are reading the info zone (todo="INFO")
function endElementInfo($parser, $tagName) {
//Check if we are into INFO zone
if ($this->tree[2] == "INFO") {
//if (trim($this->content)) //Debug
// echo "C".utf8_decode(str_repeat("&nbsp;",($this->level+2)*2).$this->content."<br>\n"); //Debug
//echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;/".$tagName."&gt;<br>\n"; //Debug
//Dependig of different combinations, do different things
if ($this->level == 3) {
switch ($tagName) {
case "NAME":
$this->info->backup_name = trim($this->content);
break;
case "MOODLE_VERSION":
$this->info->backup_moodle_version = trim($this->content);
break;
case "MOODLE_RELEASE":
$this->info->backup_moodle_release = trim($this->content);
break;
case "BACKUP_VERSION":
$this->info->backup_backup_version = trim($this->content);
break;
case "BACKUP_RELEASE":
$this->info->backup_backup_release = trim($this->content);
break;
case "DATE":
$this->info->backup_date = trim($this->content);
break;
}
}
if ($this->tree[3] == "DETAILS") {
if ($this->level == 4) {
switch ($tagName) {
case "USERS":
$this->info->backup_users = trim($this->content);
break;
case "LOGS":
$this->info->backup_logs = trim($this->content);
break;
case "USERFILES":
$this->info->backup_user_files = trim($this->content);
break;
case "COURSEFILES":
$this->info->backup_course_files = trim($this->content);
break;
}
}
if ($this->level == 5) {
switch ($tagName) {
case "NAME":
$this->info->tempName = trim($this->content);
break;
case "INCLUDED":
$this->info->mods[$this->info->tempName] = trim($this->content);
break;
}
}
}


//Clear things
$this->tree[$this->level] = "";
$this->level--;
$this->content = "";
}

//Stop parsing if todo = INFO and tagName = INFO (en of the tag, of course)
//Speed up a lot (avoid parse all)
if ($tagName == "INFO") {
$this->finished = true;
}
}

//This is the endTag default handler we use when todo is undefined
function endElement($parser, $tagName) {
if (trim($this->content)) //Debug
echo "C".utf8_decode(str_repeat("&nbsp;",($this->level+2)*2).$this->content."<br>\n"); //Debug
echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;/".$tagName."&gt;<br>\n"; //Debug
$this->level--;

//Clear things
$this->tree[$this->level] = "";
$this->level--;
$this->content = "";

//Stop parsing if todo = INFO and tagName = INFO (en of the tag, of course)
//Speed up a lot (avoid parse all)
if (($this->todo == "INFO") and ($tagName == "INFO")) {
$this->finished = true;
}
}

//This is the handler to read data contents (simple accumule it)
function characterData($parser, $data) {
$this->content .= $data;
}
}

//This function executes the MoodleParser
function restore_read_xml ($xml_file,$todo,$preferences) {

$status = true;

$xml_parser = xml_parser_create();
$moodle_parser = new MoodleParser();
$moodle_parser->todo = $todo;
$moodle_parser->preferences = $preferences;
xml_set_object($xml_parser,&$moodle_parser);
xml_set_element_handler($xml_parser, "startElement", "endElement");
//Depending of the todo we use some element_handler or another
if ($todo == "INFO") {
//Define handlers to that zone
xml_set_element_handler($xml_parser, "startElementInfo", "endElementInfo");
} else {
//Define default handlers (must no be invoked when everything become finished)
xml_set_element_handler($xml_parser, "startElementInfo", "endElementInfo");
}
xml_set_character_data_handler($xml_parser, "characterData");
$fp = fopen($xml_file,"r")
or $status = false;
Expand All @@ -129,7 +217,7 @@ function restore_read_xml ($xml_file,$todo,$preferences) {
//Clear parser mem
xml_parser_free($xml_parser);

if ($Status) {
if ($status) {
return $info;
} else {
return $status;
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