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fix checkbox support #16

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fix checkbox support #16

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16 changes: 12 additions & 4 deletions src/fpdm.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1632,6 +1632,7 @@ function parsePDFEntries(&$lines){
$ap_d_yes='';
$ap_d_no='';
$ap_line=0;
$ap_n_line=0;
$ap_d_line=0;
$as='';
//ENDFIX
Expand Down Expand Up @@ -1715,6 +1716,7 @@ function parsePDFEntries(&$lines){
$ap_d_yes='';
$ap_d_no='';
$ap_line=0;
$ap_n_line=0;
$ap_d_line=0;
$as='';
//ENDFIX
Expand Down Expand Up @@ -1845,25 +1847,31 @@ function parsePDFEntries(&$lines){
//preg_match("/^\/Type\s+\/(\w+)$/",$CurLine,$match)
$match=array();
//FIX: parse checkbox definition
//see page 498: https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/pdf_reference_archives/PDFReference.pdf
if($this->useCheckboxParser && ('' == $ap_d_yes || '' == $ap_d_no || '' == $as)) {
if (!$ap_line && '/AP' == substr($CurLine, 0, 3)) {
if ($verbose_parsing) {
echo("<br>Found AP Line '<i>$Counter</i>'");
}
$ap_line = $Counter;
} elseif (!$ap_n_line && '/N' == substr($CurLine, 0, 2)) {
if ($verbose_parsing) {
echo("<br>Found N Line '<i>$Counter</i>'");
}
$ap_n_line = $Counter;
} elseif (!$ap_d_line && '/D' == substr($CurLine, 0, 2)) {
if ($verbose_parsing) {
echo("<br>Found D Line '<i>$Counter</i>'");
}
$ap_d_line = $Counter;
} elseif (($ap_line==$Counter-4)&&($ap_d_line==$Counter-2)&&($ap_d_yes=='')&&$this->extract_pdf_definition_value("name", $CurLine, $match)) {
$ap_d_yes=$match[1];
} elseif(($ap_n_line == $Counter-2 || $ap_d_line == $Counter-2) && $ap_d_yes == '' && $this->extract_pdf_definition_value("name", $CurLine, $match)) {
$ap_d_yes = $match[1];
if ($verbose_parsing) {
echo("<br>Object's checkbox_yes is '<i>$ap_d_yes</i>'");
}
$object["infos"]["checkbox_yes"]=$ap_d_yes;
} elseif (($ap_line==$Counter-5)&&($ap_d_line==$Counter-3)&&($ap_d_no=='')&&$this->extract_pdf_definition_value("name", $CurLine, $match)) {
$ap_d_no=$match[1];
} elseif(($ap_n_line == $Counter-3 || $ap_d_line == $Counter-3) && $ap_d_no == '' && $this->extract_pdf_definition_value("name", $CurLine, $match)) {
$ap_d_no = $match[1];
if ($verbose_parsing) {
echo("<br>Object's checkbox_no is '<i>$ap_d_no</i>'");
}
Expand Down