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enhanced AttributedItem and corrected number detection in appendJson

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This commit is contained in:
john30
2017-04-16 15:01:47 +02:00
parent 80e6f48cf1
commit 61c3aeddf9
2 changed files with 79 additions and 48 deletions
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src/lib/ebus/data.cpp
+57 -45
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@@ -100,6 +100,31 @@ void AttributedItem::dumpString(ostream& output, const string str, const bool pr
}
}
void AttributedItem::appendJson(ostream& output, const string name, const string value,
const bool prependFieldSeparator, bool asString) {
bool plain;
if (asString) {
plain = false;
} else {
plain = value == "false" || value == "true";
if (!plain) {
const char* str = value.c_str();
char* strEnd = NULL;
strtod(str, &strEnd);
plain = strEnd && !*strEnd;
}
}
if (prependFieldSeparator) {
output << FIELD_SEPARATOR;
}
output << "\"" << name << "\": ";
if (plain) {
output << value;
} else {
output << '"' << value << '"';
}
}
void AttributedItem::mergeAttributes(map<string, string>& attributes) const {
for (auto& entry : m_attributes) {
auto it = attributes.find(entry.first);
@@ -118,40 +143,43 @@ string AttributedItem::getAttribute(const string name) const {
return it == m_attributes.end() ? "" : it->second;
}
void appendJson(ostringstream& output, const string name, const string value, bool asString = false) {
bool plain;
if (asString) {
plain = false;
} else {
plain = value == "false" || value == "true";
if (!plain) {
const char* str = value.c_str();
char* strEnd = NULL;
strtod(str, &strEnd);
plain = strEnd && *strEnd;
}
}
output << ", \"" << name << "\": ";
if (plain) {
output << value;
} else {
output << '"' << value << '"';
}
}
void AttributedItem::appendAttribute(ostringstream& output, OutputFormat outputFormat, const string name,
bool AttributedItem::appendAttribute(ostringstream& output, OutputFormat outputFormat, const string name,
const bool onlyIfNonEmpty, const string prefix, const string suffix) const {
auto it = m_attributes.find(name);
string value = it == m_attributes.end() ? "" : it->second;
if (!onlyIfNonEmpty || !value.empty()) {
if (outputFormat & OF_JSON) {
appendJson(output, name, value, true);
} else {
output << " " << prefix << value << suffix;
}
if (onlyIfNonEmpty && value.empty()) {
return false;
}
if (outputFormat & OF_JSON) {
appendJson(output, name, value, true);
} else {
output << " " << prefix << value << suffix;
}
return true;
}
bool AttributedItem::appendAttributes(ostringstream& output, OutputFormat outputFormat) const {
bool ret = false;
if ((outputFormat & OF_UNITS)) {
ret = appendAttribute(output, outputFormat, "unit") || ret;
}
if ((outputFormat & OF_COMMENTS)) {
ret = appendAttribute(output, outputFormat, "comment", true, "[", "]") || ret;
}
if (outputFormat & OF_ALL_ATTRS) {
for (auto& entry : m_attributes) {
ret = true;
if (!entry.second.empty() && entry.first != "unit" && entry.first != "comment") {
if (outputFormat & OF_JSON) {
appendJson(output, entry.first, entry.second);
} else {
output << " " << entry.first << "=" << entry.second;
}
}
}
}
return ret;
}
string formatInt(size_t value) {
@@ -519,23 +547,7 @@ result_t SingleDataField::read(const SymbolString& data, size_t offset,
return result;
}
if (!shortFormat) {
if ((outputFormat & OF_UNITS)) {
appendAttribute(output, outputFormat, "unit");
}
if ((outputFormat & OF_COMMENTS)) {
appendAttribute(output, outputFormat, "comment", true, "[", "]");
}
if (outputFormat & OF_ALL_ATTRS) {
for (auto& entry : m_attributes) {
if (!entry.second.empty() && entry.first != "unit" && entry.first != "comment") {
if (outputFormat & OF_JSON) {
appendJson(output, entry.first, entry.second);
} else {
output << " " << entry.first << "=" << entry.second;
}
}
}
}
appendAttributes(output, outputFormat);
}
if (!shortFormat && (outputFormat & OF_JSON)) {
output << "}";