mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Whiskers.h
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* @author Chris <chis@ethereum.org>
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* @date 2017
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*
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* Moustache-like templates.
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*/
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#pragma once
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#include <libdevcore/Exceptions.h>
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#include <string>
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#include <map>
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#include <vector>
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namespace dev
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{
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DEV_SIMPLE_EXCEPTION(WhiskersError);
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///
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/// Moustache-like templates.
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///
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/// Usage:
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/// std::vector<std::map<std::string, std::string>> listValues(2);
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/// listValues[0]["k"] = "key1";
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/// listValues[0]["v"] = "value1";
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/// listValues[1]["k"] = "key2";
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/// listValues[1]["v"] = "value2";
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/// auto s = Whiskers("<p1>\n<#list><k> -> <v>\n</list>")
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/// ("p1", "HEAD")
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/// ("list", listValues)
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/// .render();
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///
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/// results in s == "HEAD\nkey1 -> value1\nkey2 -> value2\n"
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///
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/// Note that lists cannot themselves contain lists - this would be a future feature.
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class Whiskers
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{
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public:
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using StringMap = std::map<std::string, std::string>;
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using StringListMap = std::map<std::string, std::vector<StringMap>>;
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explicit Whiskers(std::string const& _template);
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/// Sets a single parameter, <paramName>.
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Whiskers& operator()(std::string const& _parameter, std::string const& _value);
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/// Sets a list parameter, <#listName> </listName>.
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Whiskers& operator()(
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std::string const& _listParameter,
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std::vector<StringMap> const& _values
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);
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std::string render() const;
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private:
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static std::string replace(
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std::string const& _template,
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StringMap const& _parameters,
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StringListMap const& _listParameters = StringListMap()
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);
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/// Joins the two maps throwing an exception if two keys are equal.
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static StringMap joinMaps(StringMap const& _a, StringMap const& _b);
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std::string m_template;
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StringMap m_parameters;
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StringListMap m_listParameters;
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};
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}
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