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Fixed two problems in AICC import
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bobopinna committed Mar 30, 2006
1 parent 1d8a829 commit a246408
Showing 1 changed file with 63 additions and 42 deletions.
105 changes: 63 additions & 42 deletions mod/scorm/locallib.php
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Expand Up @@ -77,12 +77,13 @@ function scorm_get_user_data($userid) {

function scorm_string_wrap($stringa, $len=15) {
// Crop the given string into max $len characters lines
if (strlen($stringa) > $len) {
$textlib = textlib_get_instance();
if ($textlib->strlen($stringa, current_charset()) > $len) {
$words = explode(' ', $stringa);
$newstring = '';
$substring = '';
foreach ($words as $word) {
if ((strlen($substring)+strlen($word)+1) < $len) {
if (($textlib->strlen($substring, current_charset())+$textlib->strlen($word, current_charset())+1) < $len) {
$substring .= ' '.$word;
} else {
$newstring .= ' '.$substring.'<br />';
Expand Down Expand Up @@ -712,7 +713,10 @@ function scorm_forge_cols_regexp($columns,$remodule='(".*")?,') {
foreach ($columns as $column) {
$regexp .= $remodule;
}
$regexp = substr($regexp,0,-1) . '/';
if (substr($regexp,-1) == ',') {
$regexp = substr($regexp,0,-1);
}
$regexp .= '/';
return $regexp;
}

Expand Down Expand Up @@ -756,7 +760,7 @@ function scorm_parse_aicc($pkgdir,$scormid){
$regexp = scorm_forge_cols_regexp($columns->columns);
for ($i=1;$i<count($rows);$i++) {
if (preg_match($regexp,$rows[$i],$matches)) {
for ($j=0;$j<count($columns->columns);$j++) {
for ($j=0;$j<count($matches)-1;$j++) {
$column = $columns->columns[$j];
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
}
Expand All @@ -769,7 +773,7 @@ function scorm_parse_aicc($pkgdir,$scormid){
$regexp = scorm_forge_cols_regexp($columns->columns);
for ($i=1;$i<count($rows);$i++) {
if (preg_match($regexp,$rows[$i],$matches)) {
for ($j=0;$j<count($columns->columns);$j++) {
for ($j=0;$j<count($matches)-1;$j++) {
$column = $columns->columns[$j];
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
}
Expand All @@ -779,10 +783,10 @@ function scorm_parse_aicc($pkgdir,$scormid){
if (isset($id->cst)) {
$rows = file($pkgdir.'/'.$id->cst);
$columns = scorm_get_aicc_columns($rows[0],'block');
$regexp = scorm_forge_cols_regexp($columns->columns,'(.+)?,');
$regexp = scorm_forge_cols_regexp($columns->columns,'("[\w]+")?,?');
for ($i=1;$i<count($rows);$i++) {
if (preg_match($regexp,$rows[$i],$matches)) {
for ($j=0;$j<count($columns->columns);$j++) {
for ($j=0;$j<count($matches)-1;$j++) {
if ($j != $columns->mastercol) {
$courses[$courseid]->elements[substr(trim($matches[$j+1]),1,-1)]->parent = substr(trim($matches[$columns->mastercol+1]),1,-1);
}
Expand Down Expand Up @@ -1206,6 +1210,46 @@ function scorm_repeater($what, $times) {
return $return;
}

/**
* Convert a utf-8 string to html entities
*
* @param string $str The UTF-8 string
* @return string
*/
function scorm_utf8_to_entities($str) {
global $CFG;

$entities = '';
$values = array();
$lookingfor = 1;

if (empty($CFG->unicodedb)) { // If Unicode DB support enable does not convert string
$textlib = textlib_get_instance();
for ($i = 0; $i < $textlib->strlen($str,'utf-8'); $i++) {
$thisvalue = ord($str[$i]);
if ($thisvalue < 128) {
$entities .= $str[$i]; // Leave ASCII chars unchanged
} else {
if (count($values) == 0) {
$lookingfor = ($thisvalue < 224) ? 2 : 3;
}
$values[] = $thisvalue;
if (count($values) == $lookingfor) {
$number = ($lookingfor == 3) ?
(($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64):
(($values[0] % 32) * 64) + ($values[1] % 64);
$entities .= '&#' . $number . ';';
$values = array();
$lookingfor = 1;
}
}
}
return $entities;
} else {
return $str;
}
}

/* Usage
Grab some XML data, either from a file, URL, etc. however you want. Assume storage in $strYourXML;
Expand All @@ -1220,46 +1264,23 @@ class xml2Array {
var $resParser;
var $strXmlData;

/**
* Convert a utf-8 string to html entities
*
* @param string $str The UTF-8 string
* @return string
*/
function utf8_to_entities($str) {
$entities = '';
$values = array();
$lookingfor = 1;

for ($i = 0; $i < strlen($str); $i++) {
$thisvalue = ord($str[$i]);
if ($thisvalue < 128) {
$entities .= $str[$i]; // Leave ASCII chars unchanged
} else {
if (count($values) == 0) {
$lookingfor = ($thisvalue < 224) ? 2 : 3;
}
$values[] = $thisvalue;
if (count($values) == $lookingfor) {
$number = ($lookingfor == 3) ?
(($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64):
(($values[0] % 32) * 64) + ($values[1] % 64);
$entities .= '&#' . $number . ';';
$values = array();
$lookingfor = 1;
}
}
}
return $entities;
}

/**
* Parse an XML text string and create an array tree that rapresent the XML structure
*
* @param string $strInputXML The XML string
* @return array
*/
function parse($strInputXML) {
/*if (($start = strpos($strInputXML,'encoding=')) !== false) {
$endchr = substr($strInputXML,$start+9,1);
if (($end = strpos($strInputXML,$endchr,$start+10)) !== false) {
$charset = strtolower(substr($strInputXML,$start+10,$end-$start-10));
if ($charset != 'utf-8') {
$strInputXML = str_ireplace('encoding='.$endchr.$charset.$endchr,'encoding='.$endchr.'UTF-8'.$endchr,$strInputXML);
$textlib = textlib_get_instance();
}
}
}*/
$this->resParser = xml_parser_create ('UTF-8');
xml_set_object($this->resParser,$this);
xml_set_element_handler($this->resParser, "tagOpen", "tagClosed");
Expand All @@ -1286,9 +1307,9 @@ function tagOpen($parser, $name, $attrs) {
function tagData($parser, $tagData) {
if(trim($tagData)) {
if(isset($this->arrOutput[count($this->arrOutput)-1]['tagData'])) {
$this->arrOutput[count($this->arrOutput)-1]['tagData'] .= $this->utf8_to_entities($tagData);
$this->arrOutput[count($this->arrOutput)-1]['tagData'] .= scorm_utf8_to_entities($tagData);
} else {
$this->arrOutput[count($this->arrOutput)-1]['tagData'] = $this->utf8_to_entities($tagData);
$this->arrOutput[count($this->arrOutput)-1]['tagData'] = scorm_utf8_to_entities($tagData);
}
}
}
Expand Down

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