/**
* Sets header key.
*
* @param string $name Header key
* @param string $value Value
*
* @return void
*/
public function setHeaderKey($name, $value)
{
// fixes headers by replacing '\n' by '\r\n'
$header = $this->getOption("header");
$header = str_replace(array("\r", "\n"), array("", "\r\n"), $header);
// replaces entry
$count = 0;
$regexp = '/^(\\s*' . preg_quote($name) . '\\s*)\\:(.*)/mi';
$header = preg_replace($regexp, "\$1: {$value}", $header, -1, $count);
// ... or appends entry
if ($count == 0) {
$header = Text::concat("\r\n", $header, "{$name}: {$value}");
}
$this->setOption("header", $header);
}
/**
* Gets 'form data'.
*
* This function is used to set the 'content' option. For example:
* ```php
* $config = new HttpRequestConfig();
* $config->setOption('content', $this->getFormData());
* ```
*
* @return string
*/
public function getFormData()
{
$ret = "";
if (count($this->formParams) > 0) {
foreach ($this->formParams as $name => $param) {
$data = $param->getData();
$isArray = is_array($data);
$items = $isArray ? $data : array($data);
$suffix = count($items) > 1 ? "[]" : "";
foreach ($items as $key => $item) {
$str = "--" . $this->_formBoundary;
$suffix = $isArray ? "[{$key}]" : "";
$contentDisposition = "Content-Disposition: form-data; name=\"" . str_replace("\"", '\\"', $name) . "{$suffix}\"";
$filename = $param->getFilename();
if (!Text::isEmpty($filename)) {
$contentDisposition .= "; filename=" . urlencode($filename);
}
$contentType = "";
$mimeType = $param->getMimeType();
if (!Text::isEmpty($mimeType)) {
$contentType = "Content-Type: {$mimeType}";
}
$content = "\n{$item}";
$str = Text::concat("\n", $str, $contentDisposition, $contentType, $content);
$ret = Text::concat("\n", $ret, $str);
}
}
$ret = Text::concat("\n", $ret, "--" . $this->_formBoundary . "--\r\n");
}
return $ret;
}
/**
* Gets a string representation of the node.
*
* @return string
*/
public function __toString()
{
$ret = "";
foreach ($this->elements as $element) {
$ret = Text::concat("\n", $ret, Dom::dom2str($element));
}
return $ret;
}
/**
* Removes left spaces from a multiline string.
*
* <p>This function removes left spaces from a multiline string, so the first line
* starts at the first column. It would be the equivalent to 'align to left' in
* a text editor.</p>
*
* @param string $str Multiline string
*
* @return string
*/
public static function trimText($str)
{
$ret = "";
$str = preg_replace("/\t/", " ", $str);
$lines = explode("\n", $str);
$len = count($lines);
// start index.
// ignores initial empty lines.
$i0 = 0;
for ($i = 0; $i < $len; $i++) {
$line = $lines[$i];
$trimLine = trim($line);
if (strlen($trimLine) > 0) {
$i0 = $i;
break;
}
}
// final index.
// ignores final empty lines.
$i1 = count($lines) - 1;
for ($i = $len - 1; $i >= 0; $i--) {
$line = $lines[$i];
$trimLine = trim($line);
if (strlen($trimLine) > 0) {
$i1 = $i;
break;
}
}
// calculates spaces to remove
$spaces = PHP_INT_MAX;
for ($i = $i0; $i <= $i1; $i++) {
$line = $lines[$i];
$leftTrimLine = ltrim($line);
$spaces = min($spaces, strlen($line) - strlen($leftTrimLine));
}
// removes left spaces
for ($i = $i0; $i <= $i1; $i++) {
$line = $lines[$i];
$ret = Text::concat("\n", $ret, substr($line, $spaces));
}
return $ret;
}
/**
* Gets inner HTML code.
*
* @return string
*/
private function _getInnerHtml()
{
$ret = "";
foreach ($this->elements() as $element) {
$childNodes = $element->childNodes;
$str = "";
foreach ($childNodes as $node) {
$str .= Dom::dom2str($node);
}
$ret = Text::concat("\n", $ret, $str);
}
return $ret;
}
/**
* Appends parameters to a given url.
*
* For example:
* ```php
* echo Http::addParams("http://www.mysite.php", array("username" => "John", "id" => 101));
* ```
*
* @param string $url URL
* @param array $params Associative array of parameters
*
* @return strings.
*/
public static function addParams($url, $params)
{
$query = parse_url($url, PHP_URL_QUERY);
$separator = Text::isEmpty($query) ? "?" : "&";
return Text::concat($separator, $url, http_build_query($params));
}
