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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /** | ||
| * @file | ||
| * | ||
| * @brief Implementation of kdb find command | ||
| * | ||
| * @copyright BSD License (see LICENSE.md or https://www.libelektra.org) | ||
| */ | ||
|
|
||
| #include <command.h> | ||
| #include <find.h> | ||
|
|
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| #include <kdb.h> | ||
| #include <kdbassert.h> | ||
| #include <kdbease.h> | ||
| #include <kdberrors.h> | ||
| #include <regex.h> | ||
| #include <stdio.h> | ||
| #include <string.h> | ||
|
|
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| #define COMMAND_NAME "find" | ||
|
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| #define GET_OPTION_KEY(options, name) GET_OPT_KEY (options, COMMAND_BASE_KEY (COMMAND_NAME) "/" name) | ||
| #define GET_OPTION(options, name) GET_OPT (options, COMMAND_BASE_KEY (COMMAND_NAME) "/" name) | ||
|
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| void addFindSpec (KeySet * spec) | ||
| { | ||
| ksAppendKey (spec, keyNew (COMMAND_SPEC_KEY (COMMAND_NAME), KEY_META, "description", "Find keys that match a regex pattern.", | ||
| KEY_META, "command", COMMAND_NAME, KEY_END)); | ||
| ksAppendKey (spec, keyNew (COMMAND_SPEC_KEY (COMMAND_NAME) "/pattern", KEY_META, "description", "The patter that should be matched", | ||
| KEY_META, "args", "indexed", KEY_META, "args/index", "0", KEY_END)); | ||
|
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| ADD_BASIC_OPTIONS (spec, COMMAND_SPEC_KEY (COMMAND_NAME)) | ||
| } | ||
|
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| int execFind (KeySet * options, Key * errorKey) | ||
| { | ||
| int ret = 0; | ||
| GET_BASIC_OPTIONS | ||
|
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| const char * patternString = GET_OPTION (options, "pattern"); | ||
|
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| regex_t regex; | ||
| if (regcomp (®ex, patternString, 0)) | ||
| { | ||
| ret = 1; | ||
| ELEKTRA_SET_VALIDATION_SYNTACTIC_ERRORF (errorKey, "could not compile regex pattern: '%s'", patternString); | ||
| return ret; | ||
| } | ||
|
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| Key * root = keyNew ("/", KEY_END); | ||
|
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| KeySet * conf = ksNew (0, KS_END); | ||
| KDB * handle = kdbOpen (NULL, errorKey); | ||
| CLI_PRINT (CLI_LOG_DEBUG, "loading %s\n", "/"); | ||
|
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| if (kdbGet (handle, conf, root) == -1) | ||
| { | ||
| ELEKTRA_SET_VALIDATION_SEMANTIC_ERRORF (errorKey, "could not load key database", GET_ERR (root)); | ||
| ret = 1; | ||
| goto cleanup; | ||
| } | ||
| CLI_PRINT (CLI_LOG_DEBUG, "loaded %s\n", "/"); | ||
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| Key * cur = NULL; | ||
|
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| int regexResult; | ||
| int count = 0; | ||
| char errorMessageBuff[100]; | ||
|
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| for (elektraCursor it = 0; it < ksGetSize (conf); ++it) | ||
| { | ||
| cur = ksAtCursor (conf, it); | ||
| regexResult = regexec (®ex, keyName (cur), 0, NULL, 0); | ||
| CLI_PRINT (CLI_LOG_DEBUG, "matching '%s' -> %d\n", keyName (cur), regexResult); | ||
|
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| if (!regexResult) | ||
| { | ||
| CLI_PRINT (CLI_LOG_NONE, "%s\n", keyName (cur)); | ||
| count++; | ||
| } | ||
| else if (regexResult != REG_NOMATCH) | ||
| { | ||
| regerror (regexResult, ®ex, errorMessageBuff, sizeof (errorMessageBuff)); | ||
| CLI_PRINT (CLI_LOG_VERBOSE, "matching '%s' with '%s' failed: %s", keyName (cur), patternString, errorMessageBuff); | ||
| } | ||
| } | ||
|
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| CLI_PRINT (CLI_LOG_VERBOSE, "\nfound %ld keys", count); | ||
|
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| cleanup: | ||
| if (!noNewLine) | ||
| { | ||
| printf ("\n"); | ||
| } | ||
| keyDel (root); | ||
| elektraFree ((void *) fmtBuffer); | ||
| ksDel (conf); | ||
| regfree (®ex); | ||
| kdbClose (handle, errorKey); | ||
| return ret; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /** | ||
| * @file | ||
| * | ||
| * @brief Header for find command | ||
| * | ||
| * @copyright BSD License (see LICENSE.md or https://www.libelektra.org) | ||
| */ | ||
|
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| #ifndef ELEKTRA_KDB_FIND_H | ||
| #define ELEKTRA_KDB_FIND_H | ||
|
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| #include <kdb.h> | ||
|
|
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| /** | ||
| * Adds options specification of find command to @spec | ||
| * | ||
| * @param spec the base spec where the commands spec should be added | ||
| */ | ||
| void addFindSpec (KeySet * spec); | ||
|
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| /** | ||
| * Executes the find command | ||
| * | ||
| * @param options cli options and arguments as specified in addFindSpec() | ||
| * @param errorKey key where errors and warnings should be saved | ||
| * | ||
| * @retval 0 find command ran without errors | ||
| * @retval 1 errors occurred, keyGetMeta (errorKey, "error/reason") for info | ||
| * | ||
| */ | ||
| int execFind (KeySet * options, Key * errorKey); | ||
|
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| // helper functions | ||
| int getKeyNameDepth (const char * name); | ||
|
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| #endif // ELEKTRA_KDB_FIND_H |
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