48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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#ifndef STRINGESCAPERULE_H
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#define STRINGESCAPERULE_H
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#include <QString>
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#include <boost/optional.hpp>
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enum class ConvertToNumericEscape {
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Utf8, ///< Generates upto four escapes for 4 utf8 chars
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Utf16, ///< Generates upto four escapes for 2 utf16 chars
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Utf32, ///< Generates a single escape for the unicode codepoint
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};
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enum class NumericEscapeFormat {
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Decimal,
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HexUpper,
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HexLower
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};
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class CharToNumericConversion {
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public:
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ConvertToNumericEscape m_toNumericEscape;
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NumericEscapeFormat m_numericEscapeFormat;
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int m_minNumericDigits, m_maxNumericDigits;
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};
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/** The basic method of applying a StringEscapeRule is to find all matches
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* in the string for the m_matchRegex.
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*
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* if m_numericConversion is set then the match is taken out of the string and replaced
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* with one or more numerical escapes.
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* if no conversion is needed the match is simple prefixed with m_prefixWidth
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*/
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class StringEscapeRule {
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public:
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/** Regular expression that finds characters in the string that need replacing.
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* Each character to replace should always generate one match.
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*/
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QString m_matchRegex;
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/** As often a simple escape character like \ or a doubling scheme is used this
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* field often provides enough flexibility.
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*/
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QString m_prefixWith;
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// boost::optional<CharToNumericConversion> m_numericConversion;
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};
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#endif // STRINGESCAPERULE_H
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