88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
#ifndef _UTIL_H
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#define _UTIL_H
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namespace ledger {
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inline char * skip_ws(char * ptr) {
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while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
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ptr++;
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return ptr;
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}
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inline char peek_next_nonws(std::istream& in) {
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char c = in.peek();
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while (! in.eof() && std::isspace(c)) {
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in.get(c);
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c = in.peek();
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}
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return c;
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}
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#define READ_INTO(str, targ, size, var, cond) { \
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char * _p = targ; \
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var = str.peek(); \
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while (! str.eof() && var != '\n' && (cond) && _p - targ < size) { \
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str.get(var); \
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if (str.eof()) \
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break; \
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if (var == '\\') { \
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str.get(var); \
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if (in.eof()) \
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break; \
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} \
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*_p++ = var; \
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var = str.peek(); \
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} \
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*_p = '\0'; \
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}
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#define READ_INTO_(str, targ, size, var, idx, cond) { \
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char * _p = targ; \
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var = str.peek(); \
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while (! str.eof() && var != '\n' && (cond) && _p - targ < size) { \
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str.get(var); \
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if (str.eof()) \
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break; \
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idx++; \
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if (var == '\\') { \
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str.get(var); \
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if (in.eof()) \
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break; \
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idx++; \
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} \
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*_p++ = var; \
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var = str.peek(); \
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} \
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*_p = '\0'; \
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}
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ledger::string resolve_path(const ledger::string& path);
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#ifdef HAVE_REALPATH
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extern "C" char *realpath(const char *, char resolved_path[]);
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#endif
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enum elision_style_t {
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TRUNCATE_TRAILING,
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TRUNCATE_MIDDLE,
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TRUNCATE_LEADING,
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ABBREVIATE
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};
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ledger::string abbreviate(const ledger::string& str, unsigned int width,
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elision_style_t elision_style = TRUNCATE_TRAILING,
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const bool is_account = false, int abbrev_length = 2);
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static inline const
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ledger::string& either_or(const ledger::string& first,
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const ledger::string& second)
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{
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if (first.empty())
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return second;
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else
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return first;
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}
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} // namespace ledger
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#endif // _UTIL_H
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