| 1 |
#ifndef TXTPRT_IMPORT |
| 2 |
#define TXTPRT_IMPORT |
| 3 |
#include <iostream> |
| 4 |
#include <fstream> |
| 5 |
#include <string> |
| 6 |
#include <cstdio> |
| 7 |
|
| 8 |
#include "entity.h" |
| 9 |
|
| 10 |
struct txtprt_i_exception { |
| 11 |
txtprt_i_exception (std::string m) : msg (m) { } |
| 12 |
std::string msg; |
| 13 |
}; |
| 14 |
|
| 15 |
class txtprt_parser { |
| 16 |
std::ifstream ifs; |
| 17 |
int cur_line; |
| 18 |
std::string line_data; |
| 19 |
|
| 20 |
public: |
| 21 |
txtprt_parser () {} |
| 22 |
|
| 23 |
entity* read (std::string filename); |
| 24 |
inline void match_char (char c) { |
| 25 |
char o; |
| 26 |
match_achar (o); |
| 27 |
if (o != c) |
| 28 |
throw txtprt_i_exception ((std::string)"Fileformat invalid, expected '" + c + "' got: '" + o + "' -> '" + line_data.substr (0, 10) + "..."); |
| 29 |
} |
| 30 |
inline void match_achar (char &c) { |
| 31 |
std::string s = line_data.substr (0, 1); |
| 32 |
c = s[0]; |
| 33 |
line_data.erase(0, 1); |
| 34 |
} |
| 35 |
|
| 36 |
inline void match_space () { match_char (' '); } |
| 37 |
inline void match_nl () { match_char ('\n'); } |
| 38 |
inline void match_number (double &d) { |
| 39 |
size_t p = line_data.find_first_not_of ("0123456789.-+e"); |
| 40 |
std::string tmp = line_data.substr (0, p); |
| 41 |
line_data.erase (0, p); |
| 42 |
d = strtod (tmp.c_str (), NULL); |
| 43 |
} |
| 44 |
inline void match_section (char c, std::string §) { // c - section char, sect - name of section |
| 45 |
match_char (c); match_space (); |
| 46 |
size_t p = line_data.find_first_of ("\n"); |
| 47 |
sect = line_data.substr (0, p); |
| 48 |
line_data.erase (0, p); |
| 49 |
match_nl (); |
| 50 |
} |
| 51 |
inline void match_section (char c, double &num) { // c - section char, sect - name of section |
| 52 |
match_char (c); match_space (); |
| 53 |
match_number (num); |
| 54 |
match_nl (); |
| 55 |
} |
| 56 |
inline void match_asection (char & c, std::string §) { // c - section char, sect - name of section |
| 57 |
match_achar (c); match_space (); |
| 58 |
size_t p = line_data.find_first_of ("\n"); |
| 59 |
sect = line_data.substr (0, p); |
| 60 |
line_data.erase (0, p); |
| 61 |
match_nl (); |
| 62 |
} |
| 63 |
inline void match_asection (char & c, double &num) { // c - section char, sect - name of section |
| 64 |
match_achar (c); match_space (); |
| 65 |
match_number (num); |
| 66 |
match_nl (); |
| 67 |
} |
| 68 |
}; |
| 69 |
|
| 70 |
#endif |
