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author | John Wiegley <johnw@newartisans.com> | 2007-04-30 06:26:38 +0000 |
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committer | John Wiegley <johnw@newartisans.com> | 2008-04-13 03:38:33 -0400 |
commit | c8899addfd2deed3d84be2de234681db64987722 (patch) | |
tree | 07f9a5eb603ff4ec83fe18c83083575d2b7a439a /src/parser.h | |
parent | aa9cc125796711afcaa459898e95527fdae8e912 (diff) | |
download | fork-ledger-c8899addfd2deed3d84be2de234681db64987722.tar.gz fork-ledger-c8899addfd2deed3d84be2de234681db64987722.tar.bz2 fork-ledger-c8899addfd2deed3d84be2de234681db64987722.zip |
Rearranged the sources a bit.
Diffstat (limited to 'src/parser.h')
-rw-r--r-- | src/parser.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/parser.h b/src/parser.h new file mode 100644 index 00000000..2bdc4622 --- /dev/null +++ b/src/parser.h @@ -0,0 +1,86 @@ +#ifndef _PARSER_H +#define _PARSER_H + +#include "utils.h" + +namespace ledger { + +class account_t; +class journal_t; + +class parser_t +{ + public: + virtual ~parser_t() {} + + virtual bool test(std::istream& in) const = 0; + + virtual unsigned int parse(std::istream& in, + journal_t * journal, + account_t * master = NULL, + const string * original_file = NULL) = 0; +}; + +DECLARE_EXCEPTION(parse_exception); + +/************************************************************************ + * + * General utility parsing functions + */ + +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'; \ +} + +} // namespace ledger + +#endif // _PARSER_H |