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path: root/tvapi/libtv/tvconfig/CIniFile.cpp (plain)
blob: 3016252cd8be2f2973fbe7a753f5fd0d5ea56b40
1#include <stdio.h>
2#include <stdlib.h>
3#include <assert.h>
4#include <string.h>
5#include <ctype.h>
6
7#include "CIniFile.h"
8
9CIniFile::CIniFile()
10{
11 mpFirstSection = NULL;
12 mpFileName[0] = '\0';
13 m_pIniFile = NULL;
14 mpFirstLine = NULL;
15}
16
17CIniFile::~CIniFile()
18{
19 LOGD("CIniFile::~CIniFile()");
20 FreeAllMem();
21}
22
23int CIniFile::LoadFromFile(const char *filename)
24{
25 char lineStr[MAX_INI_FILE_LINE_LEN];
26 char *pStr;
27 LINE *pCurLINE = NULL;
28 SECTION *pCurSection = NULL;
29
30 FreeAllMem();
31
32 int Len;
33 if (filename == NULL) {
34 return -1;
35 }
36
37 strcpy(mpFileName, filename);
38 LOGD("LoadFromFile 2name = %s", mpFileName);
39 if ((m_pIniFile = fopen (mpFileName, "r")) == NULL) {
40 return -1;
41 }
42
43 while (fgets (lineStr, MAX_INI_FILE_LINE_LEN, m_pIniFile) != NULL) {
44 //去掉多余字符
45 allTrim(lineStr);
46
47 LINE *pLINE = new LINE();
48 pLINE->pKeyStart = pLINE->Text;
49 pLINE->pKeyEnd = pLINE->Text;
50 pLINE->pValueStart = pLINE->Text;
51 pLINE->pValueEnd = pLINE->Text;
52 pLINE->pNext = NULL;
53 pLINE->type = getLineType(lineStr);
54 //LOGD("getline=%s len=%d type=%d", lineStr, strlen(lineStr), pLINE->type);
55 strcpy(pLINE->Text, lineStr);
56 pLINE->LineLen = strlen(pLINE->Text);
57
58 //head
59 if (mpFirstLine == NULL) {
60 mpFirstLine = pLINE;
61 } else {
62 pCurLINE->pNext = pLINE;
63 }
64
65 pCurLINE = pLINE;
66
67 switch (pCurLINE->type) {
68 case LINE_TYPE_SECTION: {
69 SECTION *pSec = new SECTION();
70 pSec->pLine = pLINE;
71 pSec->pNext = NULL;
72 if (mpFirstSection == NULL) { //first section
73 mpFirstSection = pSec;
74 } else {
75 pCurSection->pNext = pSec;
76 }
77 pCurSection = pSec;
78 break;
79 }
80 case LINE_TYPE_KEY: {
81 char *pM = strchr(pCurLINE->Text, '=');
82 pCurLINE->pKeyStart = pCurLINE->Text;
83 pCurLINE->pKeyEnd = pM - 1;
84 pCurLINE->pValueStart = pM + 1;
85 pCurLINE->pValueEnd = pCurLINE->Text + pCurLINE->LineLen - 1;
86 break;
87 }
88 case LINE_TYPE_COMMENT: {
89 break;
90 }
91 default: {
92 break;
93 }
94 }
95 }
96
97 fclose (m_pIniFile);
98 m_pIniFile = NULL;
99
100 return 0;
101}
102
103void CIniFile::printAll()
104{
105 //line
106 for (LINE *pline = mpFirstLine; pline != NULL; pline = pline->pNext) {
107 LOGD("line = %s type = %d", pline->Text, pline->type);
108 }
109
110 //section
111 for (SECTION *psec = mpFirstSection; psec != NULL; psec = psec->pNext) {
112 LOGD("sec = %s", psec->pLine->Text);
113 }
114 return;
115}
116
117int CIniFile::LoadFromString(const char *str __unused)
118{
119 return 0;
120}
121
122int CIniFile::SaveToFile(const char *filename)
123{
124 const char *file = NULL;
125 if (m_pIniFile != NULL) {
126 fclose (m_pIniFile);
127 }
128
129 if (filename == NULL) {
130 if (strlen(mpFileName) == 0) {
131 LOGD("error save file is null");
132 return -1;
133 } else {
134 file = mpFileName;
135 }
136 } else {
137 file = filename;
138 }
139 //LOGD("Save to file name = %s", file);
140
141 if ((m_pIniFile = fopen (file, "wb")) == NULL) {
142 LOGD("Save to file open error = %s", file);
143 return -1;
144 }
145
146 LINE *pCurLine = NULL;
147 for (pCurLine = mpFirstLine; pCurLine != NULL; pCurLine = pCurLine->pNext) {
148 fprintf (m_pIniFile, "%s\r\n", pCurLine->Text);
149 }
150
151 fflush(m_pIniFile);
152 fsync(fileno(m_pIniFile));
153
154 fclose(m_pIniFile);
155 m_pIniFile = NULL;
156 return 0;
157}
158
159//暂不插入操作
160int CIniFile::SetString(const char *section, const char *key, const char *value)
161{
162 SECTION *pNewSec = NULL;
163 LINE *pNewSecLine = NULL;
164 LINE *pNewKeyLine = NULL;
165
166 SECTION *pSec = getSection(section);
167 if (pSec == NULL) {
168 pNewSec = new SECTION();
169 pNewSecLine = new LINE();
170 pNewKeyLine = new LINE();
171
172 pNewKeyLine->type = LINE_TYPE_KEY;
173 pNewSecLine->type = LINE_TYPE_SECTION;
174
175
176 sprintf(pNewSecLine->Text, "[%s]", section);
177 pNewSec->pLine = pNewSecLine;
178
179 InsertSection(pNewSec);
180
181 int keylen = strlen(key);
182 sprintf(pNewKeyLine->Text, "%s=%s", key, value);
183 pNewKeyLine->LineLen = strlen(pNewKeyLine->Text);
184 pNewKeyLine->pKeyStart = pNewKeyLine->Text;
185 pNewKeyLine->pKeyEnd = pNewKeyLine->pKeyStart + keylen - 1;
186 pNewKeyLine->pValueStart = pNewKeyLine->pKeyStart + keylen + 1;
187 pNewKeyLine->pValueEnd = pNewKeyLine->Text + pNewKeyLine->LineLen - 1;
188
189 InsertKeyLine(pNewSec, pNewKeyLine);
190
191 } else { //find section
192 LINE *pLine = getKeyLineAtSec(pSec, key);
193 if (pLine == NULL) { //, not find key
194 pNewKeyLine = new LINE();
195 pNewKeyLine->type = LINE_TYPE_KEY;
196
197 int keylen = strlen(key);
198 sprintf(pNewKeyLine->Text, "%s=%s", key, value);
199 pNewKeyLine->LineLen = strlen(pNewKeyLine->Text);
200 pNewKeyLine->pKeyStart = pNewKeyLine->Text;
201 pNewKeyLine->pKeyEnd = pNewKeyLine->pKeyStart + keylen - 1;
202 pNewKeyLine->pValueStart = pNewKeyLine->pKeyStart + keylen + 1;
203 pNewKeyLine->pValueEnd = pNewKeyLine->Text + pNewKeyLine->LineLen - 1;
204
205 InsertKeyLine(pSec, pNewKeyLine);
206 } else { //all find, change it
207 sprintf(pLine->Text, "%s=%s", key, value);
208 pLine->LineLen = strlen(pLine->Text);
209 pLine->pValueEnd = pLine->Text + pLine->LineLen - 1;
210 }
211 }
212
213 //save
214 SaveToFile(NULL);
215 return 0;
216}
217int CIniFile::SetInt(const char *section, const char *key, int value)
218{
219 char tmp[64];
220 sprintf(tmp, "%d", value);
221 SetString(section, key, tmp);
222 return 0;
223}
224const char *CIniFile::GetString(const char *section, const char *key, const char *def_value)
225{
226 SECTION *pSec = getSection(section);
227 if (pSec == NULL) return def_value;
228 LINE *pLine = getKeyLineAtSec(pSec, key);
229 if (pLine == NULL) return def_value;
230
231 return pLine->pValueStart;
232}
233int CIniFile::GetInt(const char *section, const char *key, int def_value)
234{
235 const char *num = GetString(section, key, NULL);
236 if (num != NULL) {
237 return atoi(num);
238 }
239 return def_value;
240}
241
242
243LINE_TYPE CIniFile::getLineType(char *Str)
244{
245 LINE_TYPE type = LINE_TYPE_COMMENT;
246 //只要有#,就是注释
247 if (strchr(Str, '#') != NULL) {
248 type = LINE_TYPE_COMMENT;
249 } else if ( (strstr (Str, "[") != NULL) && (strstr (Str, "]") != NULL) ) { /* Is Section */
250 type = LINE_TYPE_SECTION;
251 } else {
252 if (strstr (Str, "=") != NULL) {
253 type = LINE_TYPE_KEY;
254 } else {
255 type = LINE_TYPE_COMMENT;
256 }
257 }
258 return type;
259}
260
261void CIniFile::FreeAllMem()
262{
263 //line
264 LINE *pCurLine = NULL;
265 LINE *pNextLine = NULL;
266 for (pCurLine = mpFirstLine; pCurLine != NULL;) {
267 pNextLine = pCurLine->pNext;
268 delete pCurLine;
269 pCurLine = pNextLine;
270 }
271 mpFirstLine = NULL;
272 //section
273 SECTION *pCurSec = NULL;
274 SECTION *pNextSec = NULL;
275 for (pCurSec = mpFirstSection; pCurSec != NULL;) {
276 pNextSec = pCurSec->pNext;
277 delete pCurSec;
278 pCurSec = pNextSec;
279 }
280 mpFirstSection = NULL;
281}
282
283int CIniFile::InsertSection(SECTION *pSec)
284{
285 //insert it to sections list ,as first section
286 pSec->pNext = mpFirstSection;
287 mpFirstSection = pSec;
288 //insert it to lines list, at first
289 pSec->pLine->pNext = mpFirstLine;
290 mpFirstLine = pSec->pLine;
291 return 0;
292}
293int CIniFile::InsertKeyLine(SECTION *pSec, LINE *line)
294{
295 LINE *line1 = pSec->pLine;
296 LINE *line2 = line1->pNext;
297 line1->pNext = line;
298 line->pNext = line2;
299 return 0;
300}
301SECTION *CIniFile::getSection(const char *section)
302{
303 //section
304 for (SECTION *psec = mpFirstSection; psec != NULL; psec = psec->pNext) {
305 if (strncmp((psec->pLine->Text) + 1, section, strlen(section)) == 0)
306 return psec;
307 }
308 return NULL;
309}
310LINE *CIniFile::getKeyLineAtSec(SECTION *pSec, const char *key)
311{
312 //line
313 for (LINE *pline = pSec->pLine->pNext; (pline != NULL && pline->type != LINE_TYPE_SECTION); pline = pline->pNext) {
314 if (pline->type == LINE_TYPE_KEY) {
315 if (strncmp(pline->Text, key, strlen(key)) == 0)
316 return pline;
317 }
318 }
319 return NULL;
320}
321//去掉串里面的,空格,回车,换行,s指向转换处理后的串的开头
322void CIniFile::allTrim(char *Str)
323{
324 //去掉换行
325 char *pStr;
326 pStr = strchr (Str, '\n');
327 if (pStr != NULL) {
328 *pStr = 0;
329 }
330 //去掉尾部回车
331 int Len = strlen(Str);
332 if ( Len > 0 ) {
333 if ( Str[Len - 1] == '\r' ) {
334 Str[Len - 1] = '\0';
335 }
336 }
337 //去掉空格
338 pStr = Str;
339 while (*pStr != '\0') { //没到尾部
340 if (*pStr == ' ') { //遇到空格
341 char *pTmp = pStr;//从空格处开始
342 while (*pTmp != '\0') {
343 *pTmp = *(pTmp + 1);//前移,包括移最后结束符
344 pTmp++;
345 }
346 } else {
347 pStr++;
348 }
349 }
350 return;
351}
352
353
354
generated by cgit at 2024-05-10 11:32:53 (GMT)