Xinlei Cao / Mbed 2 deprecated MbedSmartRestMain

Own fork of MbedSmartRestMain

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Cumulocity Official

config/ConfigParser.cpp@98:e369fc75c000, 2015-05-07 (annotated)

Committer:
xinlei
Date:
Thu May 07 09:57:55 2015 +0000
Revision:
98:e369fc75c000
Child:
100:dbcd3bc51758
prepare for v2.1rc3.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xinlei 98:e369fc75c000 1 #include <string.h>
xinlei 98:e369fc75c000 2 #include "ConfigParser.h"
xinlei 98:e369fc75c000 3 #include "logging.h"
xinlei 98:e369fc75c000 4
xinlei 98:e369fc75c000 5 bool ConfigParser::parse(const char *buf)
xinlei 98:e369fc75c000 6 {
xinlei 98:e369fc75c000 7 if (buf == NULL) return false;
xinlei 98:e369fc75c000 8 Token tok;
xinlei 98:e369fc75c000 9 ptrPF = &ConfigParser::parseKey;
xinlei 98:e369fc75c000 10 parseOK = true;
xinlei 98:e369fc75c000 11 for (const char*p = buf; *p;) {
xinlei 98:e369fc75c000 12 p = lexConfig(p, tok);
xinlei 98:e369fc75c000 13 (this->*ptrPF)(tok);
xinlei 98:e369fc75c000 14 }
xinlei 98:e369fc75c000 15 return parseOK;
xinlei 98:e369fc75c000 16 }
xinlei 98:e369fc75c000 17
xinlei 98:e369fc75c000 18 void ConfigParser::parseKey(Token& tok)
xinlei 98:e369fc75c000 19 {
xinlei 98:e369fc75c000 20 if (tok.type == Token::STRING) {
xinlei 98:e369fc75c000 21 memset(key, 0, MAX_KEY_LEN);
xinlei 98:e369fc75c000 22 size_t num = tok.len<MAX_VALUE_LEN ? tok.len : MAX_VALUE_LEN;
xinlei 98:e369fc75c000 23 strncpy(key, tok.p, num);
xinlei 98:e369fc75c000 24 ptrPF = &ConfigParser::parseAssignOp;
xinlei 98:e369fc75c000 25 } else {
xinlei 98:e369fc75c000 26 parseError(tok);
xinlei 98:e369fc75c000 27 }
xinlei 98:e369fc75c000 28 }
xinlei 98:e369fc75c000 29
xinlei 98:e369fc75c000 30 void ConfigParser::parseAssignOp(Token& tok)
xinlei 98:e369fc75c000 31 {
xinlei 98:e369fc75c000 32 if (tok.type == Token::ASSIGN) {
xinlei 98:e369fc75c000 33 ptrPF = &ConfigParser::parseValue;
xinlei 98:e369fc75c000 34 } else {
xinlei 98:e369fc75c000 35 parseError(tok);
xinlei 98:e369fc75c000 36 }
xinlei 98:e369fc75c000 37 }
xinlei 98:e369fc75c000 38
xinlei 98:e369fc75c000 39 void ConfigParser::parseValue(Token& tok)
xinlei 98:e369fc75c000 40 {
xinlei 98:e369fc75c000 41 if (tok.type != Token::NONE) {
xinlei 98:e369fc75c000 42 if (strncmp(key, "interval", MAX_KEY_LEN) == 0 &&
xinlei 98:e369fc75c000 43 tok.type != Token::INT) {
xinlei 98:e369fc75c000 44 parseError(tok);
xinlei 98:e369fc75c000 45 } else {
xinlei 98:e369fc75c000 46 memset(value, 0, MAX_VALUE_LEN);
xinlei 98:e369fc75c000 47 size_t num = tok.len<MAX_VALUE_LEN ? tok.len : MAX_VALUE_LEN;
xinlei 98:e369fc75c000 48 strncpy(value, tok.p, num);
xinlei 98:e369fc75c000 49 dict.set(key, value);
xinlei 98:e369fc75c000 50 ptrPF = &ConfigParser::parseSemiColon;
xinlei 98:e369fc75c000 51 }
xinlei 98:e369fc75c000 52 } else {
xinlei 98:e369fc75c000 53 parseError(tok);
xinlei 98:e369fc75c000 54 }
xinlei 98:e369fc75c000 55 }
xinlei 98:e369fc75c000 56
xinlei 98:e369fc75c000 57 void ConfigParser::parseSemiColon(Token& tok)
xinlei 98:e369fc75c000 58 {
xinlei 98:e369fc75c000 59 if (tok.type == Token::SEMICOLON) {
xinlei 98:e369fc75c000 60 ptrPF = &ConfigParser::parseKey;
xinlei 98:e369fc75c000 61 } else {
xinlei 98:e369fc75c000 62 parseError(tok);
xinlei 98:e369fc75c000 63 }
xinlei 98:e369fc75c000 64 }
xinlei 98:e369fc75c000 65
xinlei 98:e369fc75c000 66 void ConfigParser::parseError(Token& tok)
xinlei 98:e369fc75c000 67 {
xinlei 98:e369fc75c000 68 parseOK = false;
xinlei 98:e369fc75c000 69 aError("(%d) %.*s\n", tok.type, (int)tok.len, tok.p);
xinlei 98:e369fc75c000 70 parseRecover(tok);
xinlei 98:e369fc75c000 71 }
xinlei 98:e369fc75c000 72
xinlei 98:e369fc75c000 73 void ConfigParser::parseRecover(Token& tok)
xinlei 98:e369fc75c000 74 {
xinlei 98:e369fc75c000 75 if (tok.type == Token::SEMICOLON) {
xinlei 98:e369fc75c000 76 ptrPF = &ConfigParser::parseKey;
xinlei 98:e369fc75c000 77 } else {
xinlei 98:e369fc75c000 78 ptrPF = &ConfigParser::parseRecover;
xinlei 98:e369fc75c000 79 }
xinlei 98:e369fc75c000 80 }