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shell: Refactor command execution to enable raw arguments

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Added special flag that can be used to indicate that optional
arguments are passed without any parsing (e.g. quotation marks
removal). Modified execute command to parse command line buffer
argument by argument.

After this change it is possible to forward whole command to
command handler (using select).

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2020-04-14 09:01:57 +02:00 • committed by Kumar Gala
commit 512de5ecac
5 changed files with 184 additions and 113 deletions
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24
include/shell/shell.h
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@ -36,6 +36,30 @@ extern "C" {
#define SHELL_CMD_ROOT_LVL (0u)
/**
* @brief Flag indicates that optional arguments will be treated as one,
* unformatted argument.
*
* By default, shell is parsing all arguments, treats all spaces as argument
* separators unless they are within quotation marks which are removed in that
* case. If command rely on unformatted argument then this flag shall be used
* in place of number of optional arguments in command definition to indicate
* that only mandatory arguments shall be parsed and remaining command string is
* passed as a raw string.
*/
#define SHELL_OPT_ARG_RAW (0xFE)
/**
* @brief Flag indicateding that number of optional arguments is not limited.
*/
#define SHELL_OPT_ARG_CHECK_SKIP (0xFF)
/**
* @brief Flag indicating maximum number of optional arguments that can be
* validated.
*/
#define SHELL_OPT_ARG_MAX (0xFD)
/**
* @brief Shell API
* @defgroup shell_api Shell API