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133 lines
2.8 KiB
C++
133 lines
2.8 KiB
C++
#ifndef WEBCC_URL_H_
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#define WEBCC_URL_H_
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// A simplified implementation of URL (or URI).
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#include <string>
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#include <utility>
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#include <vector>
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#include "webcc/globals.h"
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namespace webcc {
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// -----------------------------------------------------------------------------
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// URL query parameters.
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class UrlQuery {
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public:
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typedef std::pair<std::string, std::string> Parameter;
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typedef std::vector<Parameter> Parameters;
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UrlQuery() = default;
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// The query string should be key value pairs separated by '&'.
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explicit UrlQuery(const std::string& str);
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void Add(const std::string& key, const std::string& value);
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void Add(std::string&& key, std::string&& value);
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void Remove(const std::string& key);
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// Get a value by key.
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// Return empty string if the key doesn't exist.
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const std::string& Get(const std::string& key) const;
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bool Has(const std::string& key) const {
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return Find(key) != parameters_.end();
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}
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bool IsEmpty() const {
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return parameters_.empty();
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}
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// Return key-value pairs concatenated by '&'.
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// E.g., "item=12731&color=blue&size=large".
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std::string ToString() const;
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private:
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typedef Parameters::const_iterator ConstIterator;
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ConstIterator Find(const std::string& key) const;
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Parameters parameters_;
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};
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// -----------------------------------------------------------------------------
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class Url {
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public:
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Url() = default;
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explicit Url(const std::string& str, bool decode = true);
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#if WEBCC_DEFAULT_MOVE_COPY_ASSIGN
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Url(Url&&) = default;
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Url& operator=(Url&&) = default;
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#else
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Url(Url&& rhs)
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: scheme_(std::move(rhs.scheme_)),
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host_(std::move(rhs.host_)),
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port_(std::move(rhs.port_)),
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path_(std::move(rhs.path_)),
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query_(std::move(rhs.query_)) {
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}
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Url& operator=(Url&& rhs) {
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if (&rhs != this) {
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scheme_ = std::move(rhs.scheme_);
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host_ = std::move(rhs.host_);
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port_ = std::move(rhs.port_);
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path_ = std::move(rhs.path_);
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query_ = std::move(rhs.query_);
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}
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return *this;
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}
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#endif // WEBCC_DEFAULT_MOVE_COPY_ASSIGN
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void Init(const std::string& str, bool decode = true, bool clear = true);
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const std::string& scheme() const {
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return scheme_;
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}
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const std::string& host() const {
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return host_;
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}
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const std::string& port() const {
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return port_;
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}
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const std::string& path() const {
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return path_;
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}
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const std::string& query() const {
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return query_;
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}
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// Add a query parameter.
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void AddQuery(const std::string& key, const std::string& value);
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private:
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void Parse(const std::string& str);
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void Clear();
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// TODO: Support auth & fragment.
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std::string scheme_;
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std::string host_;
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std::string port_;
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std::string path_;
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std::string query_;
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};
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} // namespace webcc
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#endif // WEBCC_URL_H_
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