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