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Diffstat (limited to 'src/common/strlib.h')
| -rw-r--r-- | src/common/strlib.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/common/strlib.h b/src/common/strlib.h index 31e364e2a..d1fb20d49 100644 --- a/src/common/strlib.h +++ b/src/common/strlib.h @@ -46,6 +46,42 @@ int safesnprintf(char* buf, size_t sz, const char* fmt, ...); /// Lines start at 1. int strline(const char* str, size_t pos); + + +/// Bitfield determining the behaviour of sv_parse. +enum e_svopt +{ + // default: no escapes and no line terminator + SV_NOESCAPE_NOTERMINATE = 0, + // Escapes according to the C compiler. + SV_ESCAPE_C = 1, + // Line terminators + SV_TERMINATE_LF = 2, + SV_TERMINATE_CRLF = 4, + SV_TERMINATE_CR = 8, +}; + +/// Other escape sequences supported by the C compiler. +#define SV_ESCAPE_C_SUPPORTED "abtnvfr\?\"'\\" + +/// Parses a delim-separated string. +/// Starts parsing at startoff and fills the pos array with the start and end +/// positions in the string of the line and fields (that fit the array). +/// Returns the number of fields or -1 if an error occurs. +int sv_parse(const char* str, int len, int startoff, char delim, int* out_pos, int npos, enum e_svopt opt); + +/// Escapes src to out_dest according to the format of the C compiler. +/// Returns the length of the escaped string. +/// out_dest should be len*4+1 in size. +size_t sv_escape_c(char* out_dest, const char* src, size_t len, const char* escapes); + +/// Unescapes src to out_dest according to the format of the C compiler. +/// Returns the length of the unescaped string. +/// out_dest should be len+1 in size and can be the same buffer as src. +size_t sv_unescape_c(char* out_dest, const char* src, size_t len); + + + /// StringBuf - dynamic string struct StringBuf { |