Make the configuration parser return a more detailed error code

This commit is contained in:
Eric Tang
2017-07-06 15:44:25 -07:00
parent c7977c905c
commit 0d68f190e1
2 changed files with 42 additions and 29 deletions

View File

@@ -4,6 +4,13 @@
#define longCompactLengthPrefix 0xff #define longCompactLengthPrefix 0xff
enum {
ParserError_Success,
ParserError_InvalidSerializedKeystrokeType,
ParserError_InvalidSerializedMouseAction,
ParserError_InvalidSerializedKeyActionType,
};
static uint8_t readUInt8(serialized_buffer_t *buffer) { static uint8_t readUInt8(serialized_buffer_t *buffer) {
return buffer->buffer[buffer->offset++]; return buffer->buffer[buffer->offset++];
} }
@@ -34,12 +41,12 @@ static const char *readString(serialized_buffer_t *buffer, uint16_t *len) {
return str; return str;
} }
static bool parseNoneAction(key_action_t *keyAction, serialized_buffer_t *buffer) { static uint8_t parseNoneAction(key_action_t *keyAction, serialized_buffer_t *buffer) {
keyAction->type = KeyActionType_None; keyAction->type = KeyActionType_None;
return false; return ParserError_Success;
} }
static bool parseKeyStrokeAction(key_action_t *keyAction, uint8_t keyStrokeAction, serialized_buffer_t *buffer) { static uint8_t parseKeyStrokeAction(key_action_t *keyAction, uint8_t keyStrokeAction, serialized_buffer_t *buffer) {
keyAction->type = KeyActionType_Keystroke; keyAction->type = KeyActionType_Keystroke;
uint8_t keystrokeType = (SERIALIZED_KEYSTROKE_TYPE_MASK_KEYSTROKE_TYPE & keyStrokeAction) >> SERIALIZED_KEYSTROKE_TYPE_OFFSET_KEYSTROKE_TYPE; uint8_t keystrokeType = (SERIALIZED_KEYSTROKE_TYPE_MASK_KEYSTROKE_TYPE & keyStrokeAction) >> SERIALIZED_KEYSTROKE_TYPE_OFFSET_KEYSTROKE_TYPE;
@@ -55,7 +62,7 @@ static bool parseKeyStrokeAction(key_action_t *keyAction, uint8_t keyStrokeActio
keyAction->keystroke.keystrokeType = KeystrokeType_System; keyAction->keystroke.keystrokeType = KeystrokeType_System;
break; break;
default: default:
return true; return ParserError_InvalidSerializedKeystrokeType;
} }
if (keyStrokeAction & SERIALIZED_KEYSTROKE_TYPE_MASK_HAS_SCANCODE) { if (keyStrokeAction & SERIALIZED_KEYSTROKE_TYPE_MASK_HAS_SCANCODE) {
keyAction->keystroke.scancode = keystrokeType == SerializedKeystrokeType_LongMedia ? readUInt16(buffer) : readUInt8(buffer); keyAction->keystroke.scancode = keystrokeType == SerializedKeystrokeType_LongMedia ? readUInt16(buffer) : readUInt8(buffer);
@@ -66,30 +73,30 @@ static bool parseKeyStrokeAction(key_action_t *keyAction, uint8_t keyStrokeActio
if (keyStrokeAction & SERIALIZED_KEYSTROKE_TYPE_MASK_HAS_LONGPRESS) { if (keyStrokeAction & SERIALIZED_KEYSTROKE_TYPE_MASK_HAS_LONGPRESS) {
keyAction->keystroke.longPressAction = readUInt8(buffer); keyAction->keystroke.longPressAction = readUInt8(buffer);
} }
return false; return ParserError_Success;
} }
static bool parseSwitchLayerAction(key_action_t *KeyAction, serialized_buffer_t *buffer) { static uint8_t parseSwitchLayerAction(key_action_t *KeyAction, serialized_buffer_t *buffer) {
uint8_t layer = readUInt8(buffer) + 1; uint8_t layer = readUInt8(buffer) + 1;
bool isToggle = readBool(buffer); bool isToggle = readBool(buffer);
KeyAction->type = KeyActionType_SwitchLayer; KeyAction->type = KeyActionType_SwitchLayer;
KeyAction->switchLayer.layer = layer; KeyAction->switchLayer.layer = layer;
KeyAction->switchLayer.isToggle = isToggle; KeyAction->switchLayer.isToggle = isToggle;
return false; return ParserError_Success;
} }
static bool parseSwitchKeymapAction(key_action_t *keyAction, serialized_buffer_t *buffer) { static uint8_t parseSwitchKeymapAction(key_action_t *keyAction, serialized_buffer_t *buffer) {
// uint16_t len; // uint16_t len;
// const char *keymap = readString(buffer, &len); // const char *keymap = readString(buffer, &len);
keyAction->type = KeyActionType_SwitchKeymap; keyAction->type = KeyActionType_SwitchKeymap;
// TODO: Implement this // TODO: Implement this
return false; return ParserError_Success;
} }
static bool parseMouseAction(key_action_t *keyAction, serialized_buffer_t *buffer) { static uint8_t parseMouseAction(key_action_t *keyAction, serialized_buffer_t *buffer) {
uint8_t mouseAction = readUInt8(buffer); uint8_t mouseAction = readUInt8(buffer);
keyAction->type = KeyActionType_Mouse; keyAction->type = KeyActionType_Mouse;
@@ -134,12 +141,12 @@ static bool parseMouseAction(key_action_t *keyAction, serialized_buffer_t *buffe
keyAction->mouse.moveActions |= MouseMove_Decelerate; keyAction->mouse.moveActions |= MouseMove_Decelerate;
break; break;
default: default:
return true; return ParserError_InvalidSerializedMouseAction;
} }
return false; return ParserError_Success;
} }
static bool parseKeyAction(key_action_t *keyAction, serialized_buffer_t *buffer) { static uint8_t parseKeyAction(key_action_t *keyAction, serialized_buffer_t *buffer) {
uint8_t keyActionType = readUInt8(buffer); uint8_t keyActionType = readUInt8(buffer);
switch (keyActionType) { switch (keyActionType) {
@@ -154,24 +161,26 @@ static bool parseKeyAction(key_action_t *keyAction, serialized_buffer_t *buffer)
case SerializedKeyActionType_Mouse: case SerializedKeyActionType_Mouse:
return parseMouseAction(keyAction, buffer); return parseMouseAction(keyAction, buffer);
default: default:
return true; return ParserError_InvalidSerializedKeyActionType;
} }
return false; return ParserError_Success;
} }
static bool parseKeyActions(uint8_t targetLayer, serialized_buffer_t *buffer, uint8_t moduleId, uint8_t pointerRole) { static uint8_t parseKeyActions(uint8_t targetLayer, serialized_buffer_t *buffer, uint8_t moduleId, uint8_t pointerRole) {
uint8_t errorCode;
uint8_t actionCount = readCompactLength(buffer); uint8_t actionCount = readCompactLength(buffer);
for (uint8_t actionIdx = 0; actionIdx < actionCount; actionIdx++) { for (uint8_t actionIdx = 0; actionIdx < actionCount; actionIdx++) {
key_action_t *keyAction = &(CurrentKeymap[targetLayer][moduleId][actionIdx]); key_action_t *keyAction = &(CurrentKeymap[targetLayer][moduleId][actionIdx]);
if (parseKeyAction(keyAction, buffer)) { errorCode = parseKeyAction(keyAction, buffer);
return true; if (errorCode != ParserError_Success) {
return errorCode;
} }
} }
return false; return ParserError_Success;
} }
static bool parseModule(serialized_buffer_t *buffer, uint8_t layer) { static uint8_t parseModule(serialized_buffer_t *buffer, uint8_t layer) {
uint8_t moduleId = readUInt8(buffer); uint8_t moduleId = readUInt8(buffer);
uint8_t pointerRole = readUInt8(buffer); uint8_t pointerRole = readUInt8(buffer);
return parseKeyActions(layer, buffer, moduleId, pointerRole); return parseKeyActions(layer, buffer, moduleId, pointerRole);
@@ -181,19 +190,22 @@ static void clearModule(uint8_t layer, uint8_t moduleId) {
memset(&CurrentKeymap[layer][moduleId], 0, MAX_KEY_COUNT_PER_MODULE * sizeof(key_action_t)); memset(&CurrentKeymap[layer][moduleId], 0, MAX_KEY_COUNT_PER_MODULE * sizeof(key_action_t));
} }
static bool parseLayer(serialized_buffer_t *buffer, uint8_t layer) { static uint8_t parseLayer(serialized_buffer_t *buffer, uint8_t layer) {
uint8_t errorCode;
uint8_t moduleCount = readCompactLength(buffer); uint8_t moduleCount = readCompactLength(buffer);
for (uint8_t moduleIdx = 0; moduleIdx < moduleCount; moduleIdx++) { for (uint8_t moduleIdx = 0; moduleIdx < moduleCount; moduleIdx++) {
clearModule(layer, moduleIdx); clearModule(layer, moduleIdx);
if (parseModule(buffer, layer)) { errorCode = parseModule(buffer, layer);
return true; if (errorCode != ParserError_Success) {
return errorCode;
} }
} }
return false; return ParserError_Success;
} }
bool ParseKeymap(serialized_buffer_t *buffer) {; uint8_t ParseKeymap(serialized_buffer_t *buffer) {;
uint8_t errorCode;
uint16_t abbreviationLen; uint16_t abbreviationLen;
uint16_t nameLen; uint16_t nameLen;
uint16_t descriptionLen; uint16_t descriptionLen;
@@ -208,10 +220,11 @@ bool ParseKeymap(serialized_buffer_t *buffer) {;
(void)name; (void)name;
(void)description; (void)description;
for (uint8_t layerIdx = 0; layerIdx < layerCount; layerIdx++) { for (uint8_t layerIdx = 0; layerIdx < layerCount; layerIdx++) {
if (parseLayer(buffer, layerIdx)) { errorCode = parseLayer(buffer, layerIdx);
return true; if (errorCode != ParserError_Success) {
return errorCode;
} }
} }
return false; return ParserError_Success;
} }

View File

@@ -56,6 +56,6 @@
// Functions: // Functions:
bool ParseKeymap(serialized_buffer_t *buffer); uint8_t ParseKeymap(serialized_buffer_t *buffer);
#endif #endif