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Formatting

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This commit is contained in:
Miles Lott 2001-12-04 01:12:39 +00:00
parent 15529d717a
commit 90424460e8
1 changed files with 53 additions and 36 deletions
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89
addressbook/inc/class.pdb.inc.php
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@ -42,17 +42,20 @@
var $pdb_record_header_size = 8; // Size of a text record header (don't touch either!)
/**
* Convert a integer value to a two bytes value string
*/
function int2($value) {
* Convert a integer value to a two bytes value string
*/
function int2($value)
{
return sprintf("%c%c", $value / 256, $value % 256);
}
/**
* Convert a integer value to a four bytes value string
*/
function int4($value) {
for ($i=0; $i<4; $i++) {
* Convert a integer value to a four bytes value string
*/
function int4($value)
{
for ($i=0; $i<4; $i++)
{
$b[$i] = $value % 256;
$value = (int)(($value - $b[$i]) / 256);
}
@ -60,20 +63,25 @@
}
/**
* Writes the header of the pdb file containing the title of the document
* and different parameters including its size
*/
function write_header($fd, $title, $content_length) {
* Writes the header of the pdb file containing the title of the document
* and different parameters including its size
*/
function write_header($fd, $title, $content_length)
{
// ============ File header =========================================
// Title of the document, it's limited to 31 characters
if (strlen($title) > 31)
{
$title = substr($title, 0, 31);
}
fwrite($fd, $title);
// Completion with null '\0' characters
for ($i=0; $i<32-strlen($title); $i++)
{
fwrite($fd, sprintf("%c", 0), 1);
}
// attributes & version fields
fwrite($fd, $this->int2(0));
fwrite($fd, $this->int2(0));
@ -101,7 +109,9 @@
$notfull_tr = $content_length % $this->record_size;
$num_records = $full_tr;
if ($notfull_tr != 0)
{
$num_records++;
}
// + 1 cause of record 0
fwrite($fd, $this->int2($num_records + 1));
@ -115,7 +125,8 @@
fwrite($fd, $this->int4($index++));
$val = 110 + ($num_offsets - 2) * 8;
while (--$num_offsets != 0) {
while (--$num_offsets != 0)
{
fwrite($fd, $this->int4($val));
$val += 4096;
fwrite($fd, $this->int4($index++));
@ -130,15 +141,16 @@
fwrite($fd, $this->int2($num_records)); // num records
fwrite($fd, $this->int2($this->record_size)); // record size
fwrite($fd, $this->int4(0)); // Reserved2
}
/**
* Writes the given text, title on the given file descriptor
* Note: It's saved as uncompressed doc
* Note2: File descriptor is not closed at the end of the function
*/
function write($fd, $content, $title) {
* Writes the given text, title on the given file descriptor
* Note: It's saved as uncompressed doc
* Note2: File descriptor is not closed at the end of the function
*/
function write($fd, $content, $title)
{
// Write header
$this->write_header($fd, $title, strlen($content));
@ -150,18 +162,21 @@
}
/**
* Reads the header of the pdb file
* and different parameters including its size
*/
function read_header($fd) {
* Reads the header of the pdb file
* and different parameters including its size
*/
function read_header($fd)
{
// ============ File header =========================================
// Title of the document, it's limited to 31 characters
$title = fread(31,$fd);
// Completion with null '\0' characters
for ($i=0; $i<32-strlen($title); $i++)
{
fwrite($fd, sprintf("%c", 0), 1);
}
// attributes & version fields
fwrite($fd, $this->int2(0));
fwrite($fd, $this->int2(0));
@ -189,7 +204,9 @@
$notfull_tr = $content_length % $this->record_size;
$num_records = $full_tr;
if ($notfull_tr != 0)
{
$num_records++;
}
// + 1 cause of record 0
fwrite($fd, $this->int2($num_records + 1));
@ -203,7 +220,8 @@
fwrite($fd, $this->int4($index++));
$val = 110 + ($num_offsets - 2) * 8;
while (--$num_offsets != 0) {
while (--$num_offsets != 0)
{
fwrite($fd, $this->int4($val));
$val += 4096;
fwrite($fd, $this->int4($index++));
@ -218,15 +236,14 @@
fwrite($fd, $this->int2($num_records)); // num records
fwrite($fd, $this->int2($this->record_size)); // record size
fwrite($fd, $this->int4(0)); // Reserved2
}
/**
* Reads a pdb from the given file descriptor
* Note2: File descriptor is not closed at the end of the function
*/
function read($fd) {
* Reads a pdb from the given file descriptor
* Note2: File descriptor is not closed at the end of the function
*/
function read($fd)
{
// Read header
$header = $this->read_header($fd);
@ -237,11 +254,11 @@
flush($fd);
}
/**
* Creates a palmdoc and force the user to download it
*/
function fetch($content, $title, $document) {
* Creates a palmdoc and force the user to download it
*/
function fetch($content, $title, $document)
{
// Creates a temp file to put the current doc
$tempfile = tempnam(".", "palm");
@ -253,7 +270,7 @@
// Forces the download
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=\"$document\"");
// And writes the file content on stdout
$fd = fopen("$tempfile", 'r');
$content = fread($fd, filesize($tempfile));