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Add support for downloading CSV file #7

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Add support for downloading CSV file #7

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c1de232
Add support for downloading CSV file
Sep 29, 2015
9be4aa9
use ' ' as option separator instead of '|'
Sep 29, 2015
da31f0b
fixed indentation
Sep 29, 2015
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51 changes: 50 additions & 1 deletion syntax.php
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,8 @@ function handle($match, $state, $pos, Doku_Handler &$handler) {
'hdr_cols' => 0,
'span_empty_cols' => 0,
'file' => '',
'export' => '',
'linkname' => 'Download CSV file',
'delim' => ',',
'enclosure' => '"',
'escape' => '"',
Expand All @@ -71,9 +73,29 @@ function handle($match, $state, $pos, Doku_Handler &$handler) {

// parse options
$optsin = explode(' ', $optstr);
$populate = '';
foreach($optsin as $o) {
$o = trim($o);
if(preg_match('/(\w+)=(.*)/', $o, $matches)) {
if ( $populate != '' ) {
// handle closing quote
$opt[$populate] .= ' ';
if ( substr($o, -1) == '"' ) {
$o = substr($o, 0, -1);
$opt[$populate] .= $o;
$populate = '';
}
else
$opt[$populate] .= $o;
}
elseif (preg_match('/(\w+)=(.*)/', $o, $matches)) {
// strip leading quote
if ( substr($matches[2], 0, 1) == '"' ) {
$matches[2] = substr($matches[2], 1, -1);
if ( substr($matches[2], -1) == '"' )
$matches[2] = substr($matches[2], 0, -1);
else
$populate = $matches[1];
}
$opt[$matches[1]] = $matches[2];
} elseif($o) {
if(preg_match('/^https?:\/\//i', $o)) {
Expand Down Expand Up @@ -128,6 +150,30 @@ function render($mode, Doku_Renderer &$renderer, $opt) {
return true;
}

// Export the csv file
$targetfile = '';
$export = $opt['export'];
if ( $export != '' ) {
$targetfile = htmlspecialchars(trim($export));
if ( auth_quickaclcheck(getNS($targetfile.':*')) < AUTH_EDIT) {
$renderer->cdata('Access denied: Could not create download link.');
$targetfile = '';
return true;
} else {
$file = mediaFN($targetfile);
if ( file_put_contents ($file, $content, LOCK_EX) > 0 ) {
$linkname = $opt['linkname'];
if ( $linkname == '' )
$linkname = 'Download CSV file';
}
else {
$targetfile = '';
$renderer->cdata('Failed to write '.$file.': Could not create download link.');
return true;
}
}
}

// get the first row - it will define the structure
$row = $this->csv_explode_row($content, $opt['delim'], $opt['enclosure'], $opt['escape']);
$maxcol = count($row);
Expand Down Expand Up @@ -186,6 +232,9 @@ function render($mode, Doku_Renderer &$renderer, $opt) {
}
$renderer->table_close();

if ( $targetfile != '' )
$renderer->internalmedia($targetfile, $linkname);

return true;
}

Expand Down