mirror of
https://github.com/RubyMetric/chsrc.git
synced 2025-01-22 20:44:01 +08:00
Refactor of target finding
This commit is contained in:
Aoran Zeng
parent
493e2924c0
commit
3a02f007da
188
chsrc.c
188
chsrc.c
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@ -6,7 +6,7 @@
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*
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* chsrc:
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*
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* Change Source —— 换源命令行工具
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* Change Source —— 命令行换源工具
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* -------------------------------------------------------------*/
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#include "chsrc.h"
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@ -672,6 +672,92 @@ print_help ()
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}
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/**
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* 遍历我们内置的targets列表，查询用户输入`input`是否与我们支持的某个target匹配
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*
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* @param[out] target_func 如果匹配到，则返回内置targets列表中NULL的位置
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*
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* @return 匹配到则返回true，未匹配到则返回false
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*/
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bool
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iterate_targets_(const char const*** array, size_t size, const char* input, const char const*** target_func)
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{
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int matched = 0;
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const char const** target = NULL;
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int k = 0;
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const char* alias = NULL;
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for (int i=0; i<size; i++) {
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target = array[i];
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alias = target[k];
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while (NULL!=alias) {
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if (xy_streql(input, alias)) {
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matched = 1; break;
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}
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k++;
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alias = target[k];
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}
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if (!matched) k = 0;
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if (matched) break;
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}
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if(!matched) {
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*target_func = NULL;
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return false;
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}
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do {
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k++;
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alias = target[k];
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} while (NULL!=alias);
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*target_func = target + k;
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return true;
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}
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#define iterate_targets(ary, input, target_func) iterate_targets_(ary, xy_arylen(ary), input, target_func)
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#define Target_Set_Source 1
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#define Target_Get_Source 2
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#define Target_List_Sources 3
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/**
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* 寻找target，并根据`code`执行相应的操作
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*
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* @param[in] input 用户输入的目标
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* @param[in] code 对target要执行的操作
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*
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* @return 找到目标返回true，未找到返回false
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*/
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bool
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get_target (const char* input, int code)
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{
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const char const** target_func = NULL;
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bool matched = iterate_targets(pl_packagers, input, &target_func);
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if (!matched) matched = iterate_targets(os_systems, input, &target_func);
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if (!matched) matched = iterate_targets(wr_softwares, input, &target_func);
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if (!matched) {
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return false;
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}
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if (Target_Set_Source==code) {
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puts("chsrc: 对该软件换源");
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// call_cmd ((void*) target_func+code, NULL);
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}
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else if (Target_Get_Source==code) {
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puts("chsrc: 查看该软件的换源情况");
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}
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else if (Target_List_Sources==code) {
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puts("chsrc: 列出该软件所有可用镜像站");
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}
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return true;
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}
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int
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main (int argc, char const *argv[])
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{
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@ -684,6 +770,8 @@ main (int argc, char const *argv[])
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const char* command = argv[1];
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const char* target = NULL;
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bool matched = false;
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/* chsrc help */
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if (xy_streql(command, "-h") ||
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xy_streql(command, "help") ||
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@ -701,7 +789,8 @@ main (int argc, char const *argv[])
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puts("");
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print_supported_targets();
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} else {
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puts("chsrc: 列出该软件所有可用镜像站");
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matched = get_target(argv[2], Target_List_Sources);
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if (!matched) goto not_matched;
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}
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return 0;
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}
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@ -714,6 +803,9 @@ main (int argc, char const *argv[])
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xy_error ("chsrc: 请您提供想要测速源的软件名; 使用 chsrc list 查看所有支持的软件");
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return 1;
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}
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// TODO:
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// matched = get_target(argv[2],);
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// if (!matched) goto not_matched;
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puts("chsrc: 测试提供该软件源的镜像站点速度");
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return 0;
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}
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@ -726,7 +818,8 @@ main (int argc, char const *argv[])
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xy_error ("chsrc: 请您提供想要查看源的软件名; 使用 chsrc list 查看所有支持的软件");
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return 1;
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}
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puts("chsrc: 查看该软件的换源情况");
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matched = get_target(argv[2], Target_Get_Source);
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if (!matched) goto not_matched;
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return 0;
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}
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@ -737,7 +830,8 @@ main (int argc, char const *argv[])
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xy_error ("chsrc: 请您提供想要设置源的软件名; 使用 chsrc list 查看所有支持的软件");
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return 1;
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}
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puts("chsrc: 开始换源");
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matched = get_target(argv[2], Target_Set_Source);
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if (!matched) goto not_matched;
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return 0;
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}
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@ -748,89 +842,9 @@ main (int argc, char const *argv[])
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return 1;
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}
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const char* option = NULL;
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const char* cmdarg = NULL;
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if (argc>=2)
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{
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if (argv[2][0]=='-') {
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option = argv[2];
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} else {
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cmdarg = argv[2];
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}
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}
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int matched = 0;
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for (int i=0; i<xy_arylen(pl_packagers); i++) {
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const char const** packager = pl_packagers[i];
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int k = 0;
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const char* alias = packager[k];
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while (NULL!=alias) {
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if (xy_streql(target, alias)) {
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// printf("matched: %s\n", alias);
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matched = 1; break;
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}
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k++;
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alias = packager[k];
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}
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if (matched) {
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do {
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k++; alias = packager[k];
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} while (NULL!=alias);
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call_cmd ((void*) packager[k+1], cmdarg);
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}
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}
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goto match_end;
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for (int i=0; i<xy_arylen(os_systems); i++) {
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const char const** system = os_systems[i];
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int k = 0;
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const char* alias = system[k];
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while (NULL!=alias) {
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// printf("%s matched: %s\n",target, alias);
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if (xy_streql(target, alias)) {
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// printf("matched: %s\n", alias);
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matched = 1; break;
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}
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k++;
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alias = system[k];
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}
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if (matched) {
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do {
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k++; alias = system[k];
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} while (NULL!=alias);
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call_cmd ((void*) system[k+1], cmdarg);
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}
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}
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goto match_end;
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for (int i=0; i<xy_arylen(wr_softwares); i++) {
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const char const** ware = wr_softwares[i];
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int k = 0;
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const char* alias = ware[k];
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while (NULL!=alias) {
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// printf("%s matched: %s\n",target, alias);
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if (xy_streql(target, alias)) {
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// printf("matched: %s\n", alias);
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matched = 1; break;
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}
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k++;
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alias = ware[k];
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}
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if (matched) {
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do {
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k++; alias = ware[k];
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} while (NULL!=alias);
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call_cmd ((void*) ware[k+1], cmdarg);
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}
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}
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match_end:
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not_matched:
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if (!matched) {
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xy_info("chsrc: 暂不支持的换源类型，请使用chsrc help查看可换源");
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xy_info("chsrc: 暂不支持的换源目标，请使用 chsrc list 查看可换源");
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return 1;
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}
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return 0;
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}
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