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@@ -15,11 +15,6 @@ namespace Composer\Json;
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use Composer\Repository\RepositoryManager;
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use Composer\Composer;
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-// defined as of PHP 5.4
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-if (!defined('JSON_PRETTY_PRINT')) {
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- define('JSON_PRETTY_PRINT', 128);
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-}
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-
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/**
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* Reads/writes json files.
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*
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@@ -96,7 +91,81 @@ class JsonFile
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);
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}
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}
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- file_put_contents($this->path, json_encode($hash, JSON_PRETTY_PRINT));
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+ file_put_contents($this->path, $this->encode($hash));
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+ }
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+
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+ /**
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+ * Indents a flat JSON string to make it more human-readable
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+ *
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+ * Original code for this function can be found at:
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+ * http://recursive-design.com/blog/2008/03/11/format-json-with-php/
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+ *
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+ * @param array $hash Data to encode into a formatted JSON string
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+ * @return string Indented version of the original JSON string
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+ */
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+ public function encode(array $hash)
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+ {
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+ if (defined('JSON_PRETTY_PRINT')) {
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+ return json_encode($hash, JSON_PRETTY_PRINT);
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+ }
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+
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+ $json = json_encode($hash);
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+
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+ $result = '';
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+ $pos = 0;
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+ $strLen = strlen($json);
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+ $indentStr = ' ';
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+ $newLine = "\n";
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+ $prevChar = '';
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+ $outOfQuotes = true;
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+
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+ for ($i = 0; $i <= $strLen; $i++) {
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+ // Grab the next character in the string
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+ $char = substr($json, $i, 1);
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+
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+ // Are we inside a quoted string?
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+ if ('"' === $char && '\\' !== $prevChar) {
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+ $outOfQuotes = !$outOfQuotes;
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+ } else if (':' === $char && $outOfQuotes) {
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+ // Add a space after the : character
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+ $char .= ' ';
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+ } else if (('}' === $char || ']' === $char) && $outOfQuotes) {
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+ $pos--;
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+
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+ if ('{' !== $prevChar && '[' !== $prevChar) {
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+ // If this character is the end of an element,
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+ // output a new line and indent the next line
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+ $result .= $newLine;
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+ for ($j = 0; $j < $pos; $j++) {
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+ $result .= $indentStr;
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+ }
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+ } else {
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+ // Collapse empty {} and []
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+ $result = rtrim($result);
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+ }
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+ }
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+
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+ // Add the character to the result string
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+ $result .= $char;
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+
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+ // If the last character was the beginning of an element,
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+ // output a new line and indent the next line
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+ if ((',' === $char || '{' === $char || '[' === $char) && $outOfQuotes) {
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+ $result .= $newLine;
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+
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+ if ('{' === $char || '[' === $char) {
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+ $pos++;
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+ }
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+
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+ for ($j = 0; $j < $pos; $j++) {
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+ $result .= $indentStr;
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+ }
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+ }
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+
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+ $prevChar = $char;
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+ }
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+
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+ return $result;
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}
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/**
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