added basic interface of the shellmatta option parser + started adding a test module

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "files.associations": {
+        "random": "cpp"
+    }
+}

api/shellmatta.h

@@ -51,6 +51,34 @@ typedef enum
     SHELLMATTA_MODE_OVERWRITE   ,       /**< overwrite mode */
 } shellmatta_mode_t;
 
+/**
+ * @brief definition of shellmatta optionparser agument type
+ */
+typedef enum
+{
+    SHELLMATTA_OPT_ARG_NONE     = 0u,   /**< no argument expected   */
+    SHELLMATTA_OPT_ARG_REQUIRED,        /**< argument is required   */
+    SHELLMATTA_OPT_ARG_OPTIONAL,        /**< argument is optional   */
+} shellmatta_opt_argtype_t;
+
+/**
+ * @brief definition of shellmatta optionparser agument type
+ */
+typedef struct
+{
+    const char                  *paramLong; /**< long parameter string      */
+    const char                  paramShort; /**< short parameter char       */
+    shellmatta_opt_argtype_t    argtype;    /**< argument type expected     */
+} shellmatta_opt_long_t;
+
+/**
+ * @brief definition of shellmatta optionparser structure
+ */
+typedef struct
+{
+    uint32_t    offset;     /**< current offset of the option parser    */
+} shellmatta_opt_t;
+
 /**
  * @brief shellmatta command function definition
  * @param[in]   handle      pointer to the instance which is calling the cmd
@@ -113,6 +141,7 @@ typedef struct
     shellmatta_cmd_t    *cmdList;           /**< pointer to the first command           */
     bool                cmdListIsConst;     /**< true if the #cmdList was passed during
                                                  initialization                         */
+    shellmatta_opt_t    optionParser;       /**< option parser sructure                 */
 } shellmatta_instance_t;
 
 
@@ -146,6 +175,19 @@ shellmatta_retCode_t shellmatta_processData(shellmatta_handle_t handle,
 shellmatta_retCode_t shellmatta_write(      shellmatta_handle_t handle,
                                             char                *data,
                                             uint32_t            length);
+
+shellmatta_retCode_t shellmatta_opt(        shellmatta_handle_t handle,
+                                            char                *optionString,
+                                            char                *option,
+                                            char                **argument,
+                                            uint32_t            *argLen);
+
+shellmatta_retCode_t shellmatta_opt_long(   shellmatta_handle_t     handle,
+                                            shellmatta_opt_long_t   *longOptions,
+                                            char                    *option,
+                                            char                    **argument,
+                                            uint32_t                *argLen);
+
 #ifndef SHELLMATTA_STRIP_PRINTF
 shellmatta_retCode_t shellmatta_printf(     shellmatta_handle_t handle,
                                             const char          *fmt,

makefile

@@ -16,7 +16,8 @@ SOURCES :=  src/shellmatta.c                \
             src/shellmatta_autocomplete.c   \
             src/shellmatta_history.c        \
             src/shellmatta_utils.c          \
-            src/shellmatta_escape.c
+            src/shellmatta_escape.c         \
+            src/shellmatta_opt.c
 
 INCLUDES    := api .
 
@@ -37,7 +38,8 @@ UNITTEST_SOURCES := test/unittest/test_main.cpp
                     test/unittest/shellmatta/test_shellmatta_doInit.cpp
 
 INTEGRATIONTEST_SOURCES :=  test/integrationtest/test_main.cpp              \
-                            test/integrationtest/test_integration.cpp
+                            test/integrationtest/test_integration.cpp       \
+                            test/integrationtest/test_integration_opt.cpp
 
 UNITTEST_CPPOBJ  := $(patsubst %.cpp,$(OBJ_DIR)%.o,$(UNITTEST_SOURCES))
 

src/shellmatta_opt.c

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2019 Stefan Strobel <stefan.strobel@shimatta.net>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * @file    shellmatta_opt.c
+ * @brief   option parser implementation of the shellmatta
+ * @author  Stefan Strobel <stefan.strobel@shimatta.net>
+ */
+
+/**
+ * @addtogroup shellmatta_opt
+ * @{
+ */
+
+#include "shellmatta_opt.h"
+#include "shellmatta_utils.h"
+#include "shellmatta.h"
+#include <string.h>
+
+/**
+ * @brief       scans the current input and parses options in getopt style
+ * @param[in]   handle          shellmatta handle
+ * @param[in]   optionString    option string e.g. "cd:e::"
+ * @param[out]  option          pointer to store the detected option to
+ * @param[out]  argument        pointer to store the argument string to (can be NULL)
+ * @param[out]  argLen          pointer to store the argument lengh to (can be NULL)
+ */
+shellmatta_retCode_t shellmatta_opt(        shellmatta_handle_t handle,
+                                            char                *optionString,
+                                            char                *option,
+                                            char                **argument,
+                                            uint32_t            *argLen)
+{
+    shellmatta_retCode_t    ret     = SHELLMATTA_USE_FAULT;
+    shellmatta_instance_t   *inst   = (shellmatta_instance_t*)handle;
+
+    /** -# check parameters for plausibility  */
+    if(     (NULL               != inst)
+        &&  (SHELLMATTA_MAGIC   == inst->magic)
+        &&  (NULL               != optionString)
+        &&  (NULL               != option))
+    {
+        
+    }
+
+    (void)argument;
+    (void)argLen;
+
+    return ret;
+}
+
+/**
+ * @brief       scans the current input and parses options in getopt_long style
+ * @param[in]   handle          shellmatta handle
+ * @param[in]   longOptions     option structure - pointer to array of type #shellmatta_opt_long_t
+ * @param[out]  option          pointer to store the detected option to
+ * @param[out]  argument        pointer to store the argument string to (can be NULL)
+ * @param[out]  argLen          pointer to store the argument lengh to (can be NULL)
+ */
+shellmatta_retCode_t shellmatta_opt_long(   shellmatta_handle_t     handle,
+                                            shellmatta_opt_long_t   *longOptions,
+                                            char                    *option,
+                                            char                    **argument,
+                                            uint32_t                *argLen)
+{
+    shellmatta_retCode_t    ret     = SHELLMATTA_USE_FAULT;
+    shellmatta_instance_t   *inst   = (shellmatta_instance_t*)handle;
+
+    /** -# check parameters for plausibility  */
+    if(     (NULL               != inst)
+        &&  (SHELLMATTA_MAGIC   == inst->magic)
+        &&  (NULL               != longOptions)
+        &&  (NULL               != option))
+    {
+        
+    }
+
+    (void)argument;
+    (void)argLen;
+
+    return ret;
+}
+
+/**
+ * @brief           initializes the option parser instance
+ * @param[in, out]  inst    pointer to a shellmatta instance
+ */
+shellmatta_retCode_t shellmatta_opt_init(shellmatta_instance_t *inst)
+{
+    /*! -# initialize all relevant option parser variables */
+    inst->optionParser.offset = 0u;
+
+    return SHELLMATTA_OK;
+}
+
+/**
+ * @}
+ */

src/shellmatta_opt.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2019 Stefan Strobel <stefan.strobel@shimatta.net>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * @file    shellmatta_opt.h
+ * @brief   option parser implementation of the shellmatta
+ * @author  Stefan Strobel <stefan.strobel@shimatta.net>
+ */
+
+/**
+ * @addtogroup shellmatta_opt
+ * @{
+ */
+#ifndef _SHELLMATTA_OPT_H_
+#define _SHELLMATTA_OPT_H_
+
+#include "shellmatta.h"
+#include <stdint.h>
+
+shellmatta_retCode_t shellmatta_opt(        shellmatta_handle_t handle,
+                                            char                *optionString,
+                                            char                *option,
+                                            char                **argument,
+                                            uint32_t            *argLen);
+
+shellmatta_retCode_t shellmatta_opt_long(   shellmatta_handle_t     handle,
+                                            shellmatta_opt_long_t   *longOptions,
+                                            char                    *option,
+                                            char                    **argument,
+                                            uint32_t                *argLen);
+
+shellmatta_retCode_t shellmatta_opt_init(   shellmatta_instance_t   *inst);
+
+#endif
+
+/** @} */
+

test/integrationtest/test_integration_opt.cpp

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2019 Stefan Strobel <stefan.strobel@shimatta.net>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * @file    test_integration_opt.cpp
+ * @brief   integration test implementation for the option parser of the shellmatta
+ * @author  Stefan Strobel <stefan.strobel@shimatta.net>
+ */
+
+#include "test/framework/catch.hpp"
+extern "C" {
+#include "shellmatta.h"
+}
+#include <string.h>
+
+static uint32_t write_callCnt = 0u;
+static char write_data[1024];
+static uint32_t write_length;
+
+
+static shellmatta_retCode_t writeFct(const char* data, uint32_t length)
+{
+    write_callCnt ++;
+    while((length > 0) && (write_length < sizeof(write_data)))
+    {
+        write_data[write_length] = *data;
+        data ++;
+        length --;
+        write_length ++;
+    }
+
+    return SHELLMATTA_OK;
+}
+
+static shellmatta_retCode_t parseOpts(shellmatta_handle_t handle, const char *arguments, uint32_t length)
+{
+    (void)      arguments;
+    (void)      length;
+    char        option;
+    char        *argumentString;
+    uint32_t    argumentLength;
+
+    while(SHELLMATTA_OK == shellmatta_opt(handle, (char*)"abcde:f::", &option, &argumentString, &argumentLength))
+    {
+        switch(option)
+        {
+            case 'a':
+                break;
+            case 'b':
+                break;
+            case 'c':
+                break;
+            case 'd':
+                break;
+            case 'e':
+                break;
+            case 'f':
+                break;
+            default:
+                break;
+        }
+    }
+
+    return SHELLMATTA_OK;
+}
+shellmatta_cmd_t parseOptsCmd = {(char*)"parseOpts", (char*)"opt", NULL, NULL, parseOpts, NULL};
+
+static shellmatta_retCode_t empty(shellmatta_handle_t handle, const char *arguments, uint32_t length)
+{
+    shellmatta_printf(handle, "empty - %s - length: %u", arguments, length);
+    return SHELLMATTA_OK;
+}
+shellmatta_cmd_t emptyCmd = {(char*)"empty", NULL, NULL, NULL, empty, NULL};
+
+TEST_CASE( "shellmatta option parser 1" ) {
+
+    shellmatta_instance_t inst;
+    shellmatta_handle_t handle;
+    char buffer[1024];
+    char historyBuffer[1024];
+    //char *dummyData =   (char*)"\r\nshellmatta->";
+
+    shellmatta_doInit(  &inst,
+                        &handle,
+                        buffer,
+                        sizeof(buffer),
+                        historyBuffer,
+                        sizeof(historyBuffer),
+                        "shellmatta->",
+                        NULL,
+                        writeFct);
+
+    write_callCnt = 0u;
+    memset(write_data, 0, sizeof(write_data));
+    write_length = 0u;
+
+    shellmatta_processData(handle, (char*)"parseOpts -a -e meow\r", 1);
+
+    // CHECK( write_length == 14u);
+    // REQUIRE( strcmp(dummyData, write_data) == 0);
+    REQUIRE( 1 == 1 );
+}