mirror of
https://github.com/meshtastic/firmware.git
synced 2025-12-29 22:20:37 +00:00
trunk roundhouse kick
This commit is contained in:
Thomas Göttgens
@@ -30,9 +30,7 @@
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* @access private
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*
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*/
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JSON::JSON()
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{
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}
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JSON::JSON() {}
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/**
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* Parses a complete JSON encoded string
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@@ -45,24 +43,23 @@ JSON::JSON()
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*/
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JSONValue *JSON::Parse(const char *data)
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{
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// Skip any preceding whitespace, end of data = no JSON = fail
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if (!SkipWhitespace(&data))
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return NULL;
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// Skip any preceding whitespace, end of data = no JSON = fail
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if (!SkipWhitespace(&data))
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return NULL;
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// We need the start of a value here now...
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JSONValue *value = JSONValue::Parse(&data);
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if (value == NULL)
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return NULL;
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// Can be white space now and should be at the end of the string then...
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if (SkipWhitespace(&data))
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{
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delete value;
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return NULL;
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}
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// We're now at the end of the string
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return value;
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// We need the start of a value here now...
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JSONValue *value = JSONValue::Parse(&data);
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if (value == NULL)
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return NULL;
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// Can be white space now and should be at the end of the string then...
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if (SkipWhitespace(&data)) {
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delete value;
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return NULL;
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}
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// We're now at the end of the string
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return value;
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}
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/**
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@@ -76,10 +73,10 @@ JSONValue *JSON::Parse(const char *data)
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*/
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std::string JSON::Stringify(const JSONValue *value)
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{
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if (value != NULL)
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return value->Stringify();
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else
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return "";
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if (value != NULL)
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return value->Stringify();
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else
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return "";
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}
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/**
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@@ -93,10 +90,10 @@ std::string JSON::Stringify(const JSONValue *value)
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*/
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bool JSON::SkipWhitespace(const char **data)
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{
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while (**data != 0 && (**data == ' ' || **data == '\t' || **data == '\r' || **data == '\n'))
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(*data)++;
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return **data != 0;
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while (**data != 0 && (**data == ' ' || **data == '\t' || **data == '\r' || **data == '\n'))
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(*data)++;
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return **data != 0;
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}
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/**
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@@ -112,92 +109,100 @@ bool JSON::SkipWhitespace(const char **data)
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*/
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bool JSON::ExtractString(const char **data, std::string &str)
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{
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str = "";
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while (**data != 0)
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{
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// Save the char so we can change it if need be
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char next_char = **data;
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// Escaping something?
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if (next_char == '\\')
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{
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// Move over the escape char
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(*data)++;
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// Deal with the escaped char
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switch (**data)
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{
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case '"': next_char = '"'; break;
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case '\\': next_char = '\\'; break;
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case '/': next_char = '/'; break;
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case 'b': next_char = '\b'; break;
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case 'f': next_char = '\f'; break;
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case 'n': next_char = '\n'; break;
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case 'r': next_char = '\r'; break;
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case 't': next_char = '\t'; break;
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case 'u':
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{
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// We need 5 chars (4 hex + the 'u') or its not valid
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if (!simplejson_csnlen(*data, 5))
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return false;
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// Deal with the chars
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next_char = 0;
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for (int i = 0; i < 4; i++)
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{
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// Do it first to move off the 'u' and leave us on the
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// final hex digit as we move on by one later on
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str = "";
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while (**data != 0) {
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// Save the char so we can change it if need be
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char next_char = **data;
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// Escaping something?
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if (next_char == '\\') {
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// Move over the escape char
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(*data)++;
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next_char <<= 4;
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// Parse the hex digit
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if (**data >= '0' && **data <= '9')
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next_char |= (**data - '0');
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else if (**data >= 'A' && **data <= 'F')
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next_char |= (10 + (**data - 'A'));
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else if (**data >= 'a' && **data <= 'f')
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next_char |= (10 + (**data - 'a'));
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else
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{
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// Invalid hex digit = invalid JSON
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return false;
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// Deal with the escaped char
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switch (**data) {
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case '"':
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next_char = '"';
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break;
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case '\\':
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next_char = '\\';
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break;
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case '/':
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next_char = '/';
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break;
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case 'b':
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next_char = '\b';
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break;
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case 'f':
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next_char = '\f';
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break;
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case 'n':
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next_char = '\n';
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break;
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case 'r':
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next_char = '\r';
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break;
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case 't':
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next_char = '\t';
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break;
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case 'u': {
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// We need 5 chars (4 hex + the 'u') or its not valid
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if (!simplejson_csnlen(*data, 5))
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return false;
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// Deal with the chars
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next_char = 0;
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for (int i = 0; i < 4; i++) {
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// Do it first to move off the 'u' and leave us on the
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// final hex digit as we move on by one later on
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(*data)++;
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next_char <<= 4;
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// Parse the hex digit
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if (**data >= '0' && **data <= '9')
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next_char |= (**data - '0');
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else if (**data >= 'A' && **data <= 'F')
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next_char |= (10 + (**data - 'A'));
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else if (**data >= 'a' && **data <= 'f')
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next_char |= (10 + (**data - 'a'));
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else {
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// Invalid hex digit = invalid JSON
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return false;
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}
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}
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break;
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}
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// By the spec, only the above cases are allowed
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default:
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return false;
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}
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}
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break;
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}
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// By the spec, only the above cases are allowed
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default:
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return false;
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}
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// End of the string?
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else if (next_char == '"') {
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(*data)++;
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str.reserve(); // Remove unused capacity
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return true;
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}
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// Disallowed char?
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else if (next_char < ' ' && next_char != '\t') {
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// SPEC Violation: Allow tabs due to real world cases
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return false;
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}
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// Add the next char
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str += next_char;
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// Move on
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(*data)++;
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}
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// End of the string?
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else if (next_char == '"')
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{
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(*data)++;
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str.reserve(); // Remove unused capacity
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return true;
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}
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// Disallowed char?
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else if (next_char < ' ' && next_char != '\t')
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{
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// SPEC Violation: Allow tabs due to real world cases
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return false;
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}
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// Add the next char
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str += next_char;
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// Move on
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(*data)++;
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}
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// If we're here, the string ended incorrectly
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return false;
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// If we're here, the string ended incorrectly
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return false;
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}
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/**
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@@ -211,11 +216,11 @@ bool JSON::ExtractString(const char **data, std::string &str)
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*/
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double JSON::ParseInt(const char **data)
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{
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double integer = 0;
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while (**data != 0 && **data >= '0' && **data <= '9')
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integer = integer * 10 + (*(*data)++ - '0');
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return integer;
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double integer = 0;
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while (**data != 0 && **data >= '0' && **data <= '9')
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integer = integer * 10 + (*(*data)++ - '0');
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return integer;
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}
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/**
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@@ -229,13 +234,12 @@ double JSON::ParseInt(const char **data)
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*/
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double JSON::ParseDecimal(const char **data)
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{
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double decimal = 0.0;
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double factor = 0.1;
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while (**data != 0 && **data >= '0' && **data <= '9')
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{
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int digit = (*(*data)++ - '0');
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decimal = decimal + digit * factor;
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factor *= 0.1;
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}
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return decimal;
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double decimal = 0.0;
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double factor = 0.1;
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while (**data != 0 && **data >= '0' && **data <= '9') {
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int digit = (*(*data)++ - '0');
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decimal = decimal + digit * factor;
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factor *= 0.1;
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}
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return decimal;
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}
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