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Unified Diff: third_party/WebKit/Source/core/dom/URLSearchParams.cpp

Issue 1442643008: Implement 'URLSearchParams' (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 1 month ago
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Index: third_party/WebKit/Source/core/dom/URLSearchParams.cpp
diff --git a/third_party/WebKit/Source/core/dom/URLSearchParams.cpp b/third_party/WebKit/Source/core/dom/URLSearchParams.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..dc9c3c496712873c3dde300178793ea9a1e9e0e9
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/URLSearchParams.cpp
@@ -0,0 +1,148 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/dom/URLSearchParams.h"
+
+#include "platform/weborigin/KURL.h"
+#include "wtf/text/StringBuilder.h"
+#include "wtf/text/TextEncoding.h"
+
+namespace blink {
+
+URLSearchParams::URLSearchParams(const String& queryString)
+{
+ if (!queryString.isEmpty())
+ setInput(queryString);
+}
+
+URLSearchParams::URLSearchParams(URLSearchParams* searchParams)
+{
+ ASSERT(searchParams);
+ m_params = searchParams->m_params;
+}
+
+URLSearchParams::~URLSearchParams()
+{
+}
+
+static String decodeString(String input)
+{
+ return decodeURLEscapeSequences(input.replace('+', ' '));
+}
+
+void URLSearchParams::setInput(const String& queryString)
+{
+ m_params.clear();
+ unsigned start = 0;
+ unsigned queryStringLength = queryString.length();
+ while (start < queryStringLength) {
+ size_t nameStart = start;
+ size_t nameValueEnd = queryString.find('&', start);
+ if (nameValueEnd == kNotFound)
+ nameValueEnd = queryStringLength;
+ if (nameValueEnd > start) {
+ size_t endOfName = queryString.find('=', start);
+ if (endOfName == kNotFound || endOfName > nameValueEnd)
+ endOfName = nameValueEnd;
+ String name = decodeString(queryString.substring(nameStart, endOfName - nameStart));
+ String value;
+ if (endOfName != nameValueEnd)
+ value = decodeString(queryString.substring(endOfName + 1, nameValueEnd - endOfName - 1));
+ if (value.isNull())
+ value = "";
+ m_params.append(std::make_pair(name, value));
+ }
+ start = nameValueEnd + 1;
+ }
+}
+static String encodeString(const String& input)
+{
+ return encodeWithURLEscapeSequences(input).replace("%20", "+");
+}
+
+String URLSearchParams::toString() const
+{
+ StringBuilder result;
+ for (unsigned i = 0; i < m_params.size(); ++i) {
+ if (i)
+ result.append('&');
+ result.append(encodeString(m_params[i].first));
+ result.append('=');
+ result.append(encodeString(m_params[i].second));
+ }
+ return result.toString();
+}
+
+void URLSearchParams::append(const String& name, const String& value)
+{
+ m_params.append(std::make_pair(name, value));
+}
+
+void URLSearchParams::deleteAllWithName(const String& name)
+{
+ for (unsigned i = 0; i < m_params.size();) {
+ if (m_params[i].first == name)
+ m_params.remove(i);
+ else
+ i++;
+ }
+}
+
+String URLSearchParams::get(const String& name) const
+{
+ for (Vector<std::pair<String, String>>::const_iterator it = m_params.begin(); it != m_params.end(); ++it) {
sof 2015/11/15 09:04:11 should we upgrade this one (and the ones below) to
Mike West 2015/11/16 08:57:57 An excellent idea!
+ if (it->first == name)
+ return it->second;
+ }
+ return String();
+}
+
+Vector<String> URLSearchParams::getAll(const String& name) const
+{
+ Vector<String> result;
+ for (Vector<std::pair<String, String>>::const_iterator it = m_params.begin(); it != m_params.end(); ++it) {
+ if (it->first == name)
+ result.append(it->second);
+ }
+ return result;
+}
+
+bool URLSearchParams::has(const String& name) const
+{
+ for (Vector<std::pair<String, String>>::const_iterator it = m_params.begin(); it != m_params.end(); ++it) {
+ if (it->first == name)
+ return true;
+ }
+ return false;
+}
+
+void URLSearchParams::set(const String& name, const String& value)
+{
+ bool foundMatch = false;
+ for (unsigned i = 0; i < m_params.size();) {
+ // If there are any name-value whose name is 'name', set
+ // the value of the first such name-value pair to 'value'
+ // and remove the others.
+ if (m_params[i].first == name) {
+ if (!foundMatch) {
+ m_params[i++].second = value;
+ foundMatch = true;
+ } else {
+ m_params.remove(i);
+ }
+ } else {
+ i++;
+ }
+ }
+ // Otherwise, append a new name-value pair to the list.
+ if (!foundMatch)
+ append(name, value);
+}
+
+DEFINE_TRACE(URLSearchParams)
+{
+}
+
+} // namespace blink

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