71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
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// NameValueParser.h
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// Declares the cNameValueParser class that parses strings in the "name=value;name2=value2" format into a stringmap
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#pragma once
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class cNameValueParser :
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public std::map<AString, AString>
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{
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public:
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/** Creates an empty parser */
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cNameValueParser(bool a_AllowsKeyOnly = true);
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/** Creates an empty parser, then parses the data given. Doesn't call Finish(), so more data can be parsed later */
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cNameValueParser(const char * a_Data, size_t a_Size, bool a_AllowsKeyOnly = true);
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/** Parses the data given */
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void Parse(const char * a_Data, size_t a_Size);
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/** Notifies the parser that no more data will be coming. Returns true if the parser state is valid */
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bool Finish(void);
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/** Returns true if the data parsed so far was valid */
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bool IsValid(void) const { return (m_State != psInvalid); }
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/** Returns true if the parser expects no more data */
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bool IsFinished(void) const { return ((m_State == psInvalid) || (m_State == psFinished)); }
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protected:
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enum eState
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{
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psKeySpace, ///< Parsing the space in front of the next key
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psKey, ///< Currently adding more chars to the key in m_CurrentKey
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psEqualSpace, ///< Space after m_CurrentKey
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psEqual, ///< Just parsed the = sign after a name
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psValueInSQuotes, ///< Just parsed a Single-quote sign after the Equal sign
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psValueInDQuotes, ///< Just parsed a Double-quote sign after the Equal sign
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psValueRaw, ///< Just parsed a raw value without a quote
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psAfterValue, ///< Just finished parsing the value, waiting for semicolon or data end
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psInvalid, ///< The parser has encountered an invalid input; further parsing is skipped
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psFinished, ///< The parser has already been instructed to finish and doesn't expect any more data
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} ;
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/** The current state of the parser */
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eState m_State;
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/** If true, the parser will accept keys without an equal sign and the value */
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bool m_AllowsKeyOnly;
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/** Buffer for the current Key */
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AString m_CurrentKey;
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/** Buffer for the current Value; */
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AString m_CurrentValue;
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} ;
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