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authorRichard <q@1bpm.net>2022-09-04 00:32:56 +0100
committerRichard <q@1bpm.net>2022-09-04 00:32:56 +0100
commit1d055261b4144dbf86b2658437015b15d4dd9bff (patch)
tree6049b19d1bf953a650383de1a5e438b8b82679f6 /include/jsoncons_ext/jsonschema/schema_location.hpp
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+// Copyright 2020 Daniel Parker
+// Distributed under the Boost license, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// See https://github.com/danielaparker/jsoncons for latest version
+
+#ifndef JSONCONS_JSONSCHEMA_SCHEMA_LOCATION_HPP
+#define JSONCONS_JSONSCHEMA_SCHEMA_LOCATION_HPP
+
+#include <jsoncons/config/jsoncons_config.hpp>
+#include <jsoncons/uri.hpp>
+#include <jsoncons/json.hpp>
+#include <jsoncons_ext/jsonpointer/jsonpointer.hpp>
+#include <jsoncons_ext/jsonschema/jsonschema_error.hpp>
+
+namespace jsoncons {
+namespace jsonschema {
+
+ class schema_location
+ {
+ jsoncons::uri uri_;
+ std::string identifier_;
+ public:
+ schema_location()
+ {
+ }
+
+ schema_location(const std::string& uri)
+ {
+ auto pos = uri.find('#');
+ if (pos != std::string::npos)
+ {
+ identifier_ = uri.substr(pos + 1);
+ unescape_percent(identifier_);
+ }
+ uri_ = jsoncons::uri(uri);
+ }
+
+ jsoncons::uri uri() const
+ {
+ return uri_;
+ }
+
+ bool has_fragment() const
+ {
+ return !identifier_.empty();
+ }
+
+ bool has_identifier() const
+ {
+ return !identifier_.empty() && identifier_.front() != '/';
+ }
+
+ jsoncons::string_view base() const
+ {
+ return uri_.base();
+ }
+
+ jsoncons::string_view path() const
+ {
+ return uri_.path();
+ }
+
+ bool is_absolute() const
+ {
+ return uri_.is_absolute();
+ }
+
+ std::string identifier() const
+ {
+ return identifier_;
+ }
+
+ std::string fragment() const
+ {
+ return identifier_;
+ }
+
+ schema_location resolve(const schema_location& uri) const
+ {
+ schema_location new_uri;
+ new_uri.identifier_ = identifier_;
+ new_uri.uri_ = uri_.resolve(uri.uri_);
+ return new_uri;
+ }
+
+ int compare(const schema_location& other) const
+ {
+ int result = uri_.compare(other.uri_);
+ if (result != 0)
+ {
+ return result;
+ }
+ return result;
+ }
+
+ schema_location append(const std::string& field) const
+ {
+ if (has_identifier())
+ return *this;
+
+ jsoncons::jsonpointer::json_pointer pointer(std::string(uri_.fragment()));
+ pointer /= field;
+
+ jsoncons::uri new_uri(uri_.scheme(),
+ uri_.userinfo(),
+ uri_.host(),
+ uri_.port(),
+ uri_.path(),
+ uri_.query(),
+ pointer.to_string());
+
+ schema_location wrapper;
+ wrapper.uri_ = new_uri;
+ wrapper.identifier_ = pointer.to_string();
+
+ return wrapper;
+ }
+
+ schema_location append(std::size_t index) const
+ {
+ if (has_identifier())
+ return *this;
+
+ jsoncons::jsonpointer::json_pointer pointer(std::string(uri_.fragment()));
+ pointer /= index;
+
+ jsoncons::uri new_uri(uri_.scheme(),
+ uri_.userinfo(),
+ uri_.host(),
+ uri_.port(),
+ uri_.path(),
+ uri_.query(),
+ pointer.to_string());
+
+ schema_location wrapper;
+ wrapper.uri_ = new_uri;
+ wrapper.identifier_ = pointer.to_string();
+
+ return wrapper;
+ }
+
+ std::string string() const
+ {
+ std::string s = uri_.string();
+ return s;
+ }
+
+ friend bool operator==(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) == 0;
+ }
+
+ friend bool operator!=(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) != 0;
+ }
+
+ friend bool operator<(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) < 0;
+ }
+
+ friend bool operator<=(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) <= 0;
+ }
+
+ friend bool operator>(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) > 0;
+ }
+
+ friend bool operator>=(const schema_location& lhs, const schema_location& rhs)
+ {
+ return lhs.compare(rhs) >= 0;
+ }
+ private:
+ static void unescape_percent(std::string& s)
+ {
+ if (s.size() >= 3)
+ {
+ std::size_t pos = s.size() - 2;
+ while (pos-- >= 1)
+ {
+ if (s[pos] == '%')
+ {
+ std::string hex = s.substr(pos + 1, 2);
+ char ch = (char) std::strtoul(hex.c_str(), nullptr, 16);
+ s.replace(pos, 3, 1, ch);
+ }
+ }
+ }
+ }
+ };
+
+} // namespace jsonschema
+} // namespace jsoncons
+
+#endif // JSONCONS_JSONSCHEMA_RULE_HPP