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#ifndef _UTIL_H
#define _UTIL_H
#include <iostream>
#include "trace.h"
#if defined __FreeBSD__ && __FreeBSD__ <=4
// FreeBSD has a broken isspace macro, so dont use it
#undef isspace(c)
#endif
#if defined(__GNUG__) && __GNUG__ < 3
namespace std {
inline ostream & right (ostream & i) {
i.setf(i.right, i.adjustfield);
return i;
}
inline ostream & left (ostream & i) {
i.setf(i.left, i.adjustfield);
return i;
}
}
typedef unsigned long istream_pos_type;
typedef unsigned long ostream_pos_type;
#else
typedef std::istream::pos_type istream_pos_type;
typedef std::ostream::pos_type ostream_pos_type;
#endif
namespace ledger {
inline char * skip_ws(char * ptr) {
while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
ptr++;
return ptr;
}
inline char peek_next_nonws(std::istream& in) {
char c = in.peek();
while (! in.eof() && std::isspace(c)) {
in.get(c);
c = in.peek();
}
return c;
}
#define READ_INTO(str, targ, size, var, cond) { \
char * _p = targ; \
var = str.peek(); \
while (! str.eof() && var != '\n' && (cond) && _p - targ < size) { \
str.get(var); \
if (str.eof()) \
break; \
if (var == '\\') { \
str.get(var); \
if (in.eof()) \
break; \
} \
*_p++ = var; \
var = str.peek(); \
} \
*_p = '\0'; \
}
#define READ_INTO_(str, targ, size, var, idx, cond) { \
char * _p = targ; \
var = str.peek(); \
while (! str.eof() && var != '\n' && (cond) && _p - targ < size) { \
str.get(var); \
if (str.eof()) \
break; \
idx++; \
if (var == '\\') { \
str.get(var); \
if (in.eof()) \
break; \
idx++; \
} \
*_p++ = var; \
var = str.peek(); \
} \
*_p = '\0'; \
}
ledger::string resolve_path(const ledger::string& path);
#ifdef HAVE_REALPATH
extern "C" char *realpath(const char *, char resolved_path[]);
#endif
enum elision_style_t {
TRUNCATE_TRAILING,
TRUNCATE_MIDDLE,
TRUNCATE_LEADING,
ABBREVIATE
};
ledger::string abbreviate(const ledger::string& str, unsigned int width,
elision_style_t elision_style = TRUNCATE_TRAILING,
const bool is_account = false, int abbrev_length = 2);
static inline const
ledger::string& either_or(const ledger::string& first,
const ledger::string& second)
{
if (first.empty())
return second;
else
return first;
}
} // namespace ledger
#endif // _UTIL_H
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