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* * |
* * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "str_process.h" |
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#include "common.h" |
#include "common.h" |
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#include "log.h" |
#include "log.h" |
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#include "str_process.h" |
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#include <stdio.h> |
#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
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int str_length(const char *str, int skip_ctrl_seq) |
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{ |
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int i; |
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char c; |
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int ret = 0; |
| 28 |
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| 29 |
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for (i = 0; str[i] != '\0'; i++) |
| 30 |
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{ |
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c = str[i]; |
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| 33 |
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if (c == '\r' || c == '\7') // skip |
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{ |
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continue; |
| 36 |
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} |
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| 38 |
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if (skip_ctrl_seq && c == '\033' && str[i + 1] == '[') // Skip control sequence |
| 39 |
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{ |
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i += 2; |
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while (str[i] != '\0' && str[i] != 'm') |
| 42 |
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{ |
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i++; |
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} |
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continue; |
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} |
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| 48 |
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// Process UTF-8 Chinese characters |
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if (c & 0b10000000) // head of multi-byte character |
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{ |
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c = (c & 0b01110000) << 1; |
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while (c & 0b10000000) |
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{ |
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i++; |
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c = (c & 0b01111111) << 1; |
| 56 |
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} |
| 57 |
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| 58 |
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ret += 2; |
| 59 |
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} |
| 60 |
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else |
| 61 |
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{ |
| 62 |
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ret++; |
| 63 |
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} |
| 64 |
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} |
| 65 |
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| 66 |
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return ret; |
| 67 |
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} |
| 68 |
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| 69 |
int split_line(const char *buffer, int max_display_len, int *p_eol, int *p_display_len, int skip_ctrl_seq) |
int split_line(const char *buffer, int max_display_len, int *p_eol, int *p_display_len, int skip_ctrl_seq) |
| 70 |
{ |
{ |
| 71 |
int i; |
int i; |
| 92 |
continue; |
continue; |
| 93 |
} |
} |
| 94 |
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| 95 |
if (c < 0 || c > 127) // GBK chinese character |
if (c & 0b10000000) // head of multi-byte character |
| 96 |
{ |
{ |
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if (*p_display_len + 2 > max_display_len) |
if (*p_display_len + 2 > max_display_len) |
| 98 |
{ |
{ |
| 99 |
break; |
break; |
| 100 |
} |
} |
| 101 |
i++; |
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| 102 |
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c = (c & 0b01110000) << 1; |
| 103 |
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while (c & 0b10000000) |
| 104 |
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{ |
| 105 |
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i++; |
| 106 |
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c = (c & 0b01111111) << 1; |
| 107 |
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} |
| 108 |
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|
| 109 |
(*p_display_len) += 2; |
(*p_display_len) += 2; |
| 110 |
} |
} |
| 111 |
else |
else |
| 129 |
return i; |
return i; |
| 130 |
} |
} |
| 131 |
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| 132 |
long split_data_lines(const char *p_buf, int max_display_len, long *p_line_offsets, long line_offsets_count, int skip_ctrl_seq) |
long split_data_lines(const char *p_buf, int max_display_len, long *p_line_offsets, long line_offsets_count, |
| 133 |
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int skip_ctrl_seq, int *p_line_widths) |
| 134 |
{ |
{ |
| 135 |
int line_cnt = 0; |
int line_cnt = 0; |
| 136 |
int len; |
int len; |
| 143 |
{ |
{ |
| 144 |
len = split_line(p_buf, max_display_len, &end_of_line, &display_len, skip_ctrl_seq); |
len = split_line(p_buf, max_display_len, &end_of_line, &display_len, skip_ctrl_seq); |
| 145 |
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| 146 |
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if (p_line_widths) |
| 147 |
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{ |
| 148 |
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p_line_widths[line_cnt] = display_len; |
| 149 |
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} |
| 150 |
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| 151 |
// Exceed max_line_cnt |
// Exceed max_line_cnt |
| 152 |
if (line_cnt + 1 >= line_offsets_count) |
if (line_cnt + 1 >= line_offsets_count) |
| 153 |
{ |
{ |