comparison: ui/common/utils.c
ui/common/utils.c
- changeset 985
- 93f07ccfd997
- parent 930
- 4ce8df2311f0
equal
deleted
inserted
replaced
| 984:2cf5e6d55013 | 985:93f07ccfd997 |
|---|---|
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "utils.h" | 29 #include "utils.h" |
| 30 #include "properties.h" | 30 #include "properties.h" |
| 31 | 31 |
| 32 #include <stdio.h> | |
| 33 #include <string.h> | |
| 34 | |
| 32 #include <cx/string.h> | 35 #include <cx/string.h> |
| 36 #include <cx/buffer.h> | |
| 33 | 37 |
| 34 UiPathElm* ui_default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) { | 38 UiPathElm* ui_default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) { |
| 35 cxstring *pathelms; | 39 cxstring *pathelms; |
| 36 size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms); | 40 size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms); |
| 37 | 41 |
| 81 *width = w; | 85 *width = w; |
| 82 *height = h; | 86 *height = h; |
| 83 } | 87 } |
| 84 } | 88 } |
| 85 } | 89 } |
| 90 | |
| 91 // from UCX json.c | |
| 92 static cxmutstr escape_string(cxstring str, bool escape_slash) { | |
| 93 // note: this function produces the string without enclosing quotes | |
| 94 // the reason is that we don't want to allocate memory just for that | |
| 95 CxBuffer buf = {0}; | |
| 96 | |
| 97 bool all_printable = true; | |
| 98 for (size_t i = 0; i < str.length; i++) { | |
| 99 unsigned char c = str.ptr[i]; | |
| 100 bool escape = c < 0x20 || c == '\\' || c == '"' | |
| 101 || (escape_slash && c == '/'); | |
| 102 | |
| 103 if (all_printable && escape) { | |
| 104 size_t capa = str.length + 32; | |
| 105 char *space = cxMallocDefault(capa); | |
| 106 if (space == NULL) return cx_mutstrn(NULL, 0); | |
| 107 cxBufferInit(&buf, space, capa, NULL, CX_BUFFER_AUTO_EXTEND); | |
| 108 cxBufferWrite(str.ptr, 1, i, &buf); | |
| 109 all_printable = false; | |
| 110 } | |
| 111 if (escape) { | |
| 112 cxBufferPut(&buf, '\\'); | |
| 113 if (c == '\"') { | |
| 114 cxBufferPut(&buf, '\"'); | |
| 115 } else if (c == '\n') { | |
| 116 cxBufferPut(&buf, 'n'); | |
| 117 } else if (c == '\t') { | |
| 118 cxBufferPut(&buf, 't'); | |
| 119 } else if (c == '\r') { | |
| 120 cxBufferPut(&buf, 'r'); | |
| 121 } else if (c == '\\') { | |
| 122 cxBufferPut(&buf, '\\'); | |
| 123 } else if (c == '/') { | |
| 124 cxBufferPut(&buf, '/'); | |
| 125 } else if (c == '\f') { | |
| 126 cxBufferPut(&buf, 'f'); | |
| 127 } else if (c == '\b') { | |
| 128 cxBufferPut(&buf, 'b'); | |
| 129 } else { | |
| 130 char code[6]; | |
| 131 snprintf(code, sizeof(code), "u%04x", (unsigned int) c); | |
| 132 cxBufferPutString(&buf, code); | |
| 133 } | |
| 134 } else if (!all_printable) { | |
| 135 cxBufferPut(&buf, c); | |
| 136 } | |
| 137 } | |
| 138 cxmutstr ret; | |
| 139 if (all_printable) { | |
| 140 // don't copy the string when we don't need to escape anything | |
| 141 ret = cx_mutstrn((char*)str.ptr, str.length); | |
| 142 } else { | |
| 143 ret = cx_mutstrn(buf.space, buf.size); | |
| 144 } | |
| 145 cxBufferDestroy(&buf); | |
| 146 return ret; | |
| 147 } | |
| 148 | |
| 149 cxmutstr ui_escape_string(cxstring str) { | |
| 150 return escape_string(str, FALSE); | |
| 151 } |
