use spaces instead of tab
This commit is contained in:
john30
+298
-298
@@ -70,319 +70,319 @@ extern unsigned int parseInt(const char* str, int base, const unsigned int minVa
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* An abstract class that support reading definitions from a file.
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*/
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class FileReader {
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public:
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/**
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* Construct a new instance.
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*/
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explicit FileReader(bool supportsDefaults)
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: m_supportsDefaults(supportsDefaults) {}
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public:
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/**
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* Construct a new instance.
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*/
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explicit FileReader(bool supportsDefaults)
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: m_supportsDefaults(supportsDefaults) {}
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/**
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* Destructor.
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*/
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virtual ~FileReader() {}
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/**
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* Destructor.
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*/
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virtual ~FileReader() {}
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/**
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* Read the definitions from a file.
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* @param filename the name of the file being read.
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* @param verbose whether to verbosely log problems.
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* @param defaultDest the default destination address (may be overwritten by file name), or empty.
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* @param defaultCircuit the default circuit name (may be overwritten by file name), or empty.
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* @param defaultSuffix the default circuit name suffix (starting with a ".", may be overwritten by file name, or empty.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t readFromFile(const string filename, bool verbose = false,
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string defaultDest = "", string defaultCircuit = "", string defaultSuffix = "") {
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ifstream ifs;
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ifs.open(filename.c_str(), ifstream::in);
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if (!ifs.is_open()) {
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m_lastError = filename;
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return RESULT_ERR_NOTFOUND;
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}
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size_t lastSep = filename.find_last_of('/');
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if (lastSep != string::npos) { // potential destination address, matches "^ZZ."
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// extract defaultDest, defaultCircuit, defaultSuffix from filename:
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// ZZ.IDENT[.CIRCUIT][.SUFFIX].*csv
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unsigned char checkDest;
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string checkIdent, useCircuit, useSuffix;
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unsigned int checkSw, checkHw;
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if (extractDefaultsFromFilename(filename.substr(lastSep+1), checkDest, checkIdent, useCircuit, useSuffix, checkSw, checkHw)) {
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defaultDest = filename.substr(lastSep+1, 2);
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if (!useCircuit.empty()) {
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defaultCircuit = useCircuit;
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}
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if (!useSuffix.empty()) {
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defaultSuffix = useSuffix;
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}
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}
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}
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unsigned int lineNo = 0;
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vector<string> row;
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vector< vector<string> > defaults;
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while (splitFields(ifs, row, lineNo)) {
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if (row.empty()) {
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continue;
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}
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result_t result;
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vector<string>::iterator it = row.begin();
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const vector<string>::iterator end = row.end();
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if (m_supportsDefaults) {
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if (row[0][0] == '*') {
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row[0] = row[0].substr(1);
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result = addDefaultFromFile(defaults, row, it, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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if (result == RESULT_OK) {
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continue;
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}
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} else {
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result = addFromFile(it, end, &defaults, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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}
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} else {
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result = addFromFile(it, end, NULL, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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}
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if (result != RESULT_OK) {
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if (!verbose) {
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ifs.close();
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ostringstream error;
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error << filename << ":" << static_cast<unsigned>(lineNo);
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if (m_lastError.length() > 0) {
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error << ": " << m_lastError;
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}
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m_lastError = error.str();
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return result;
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}
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if (m_lastError.length() > 0) {
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cout << m_lastError << endl;
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}
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printErrorPos(cout, row.begin(), end, it, filename, lineNo, result);
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} else if (!verbose) {
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m_lastError = "";
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}
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}
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/**
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* Read the definitions from a file.
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* @param filename the name of the file being read.
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* @param verbose whether to verbosely log problems.
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* @param defaultDest the default destination address (may be overwritten by file name), or empty.
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* @param defaultCircuit the default circuit name (may be overwritten by file name), or empty.
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* @param defaultSuffix the default circuit name suffix (starting with a ".", may be overwritten by file name, or empty.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t readFromFile(const string filename, bool verbose = false,
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string defaultDest = "", string defaultCircuit = "", string defaultSuffix = "") {
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ifstream ifs;
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ifs.open(filename.c_str(), ifstream::in);
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if (!ifs.is_open()) {
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m_lastError = filename;
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return RESULT_ERR_NOTFOUND;
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}
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size_t lastSep = filename.find_last_of('/');
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if (lastSep != string::npos) { // potential destination address, matches "^ZZ."
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// extract defaultDest, defaultCircuit, defaultSuffix from filename:
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// ZZ.IDENT[.CIRCUIT][.SUFFIX].*csv
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unsigned char checkDest;
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string checkIdent, useCircuit, useSuffix;
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unsigned int checkSw, checkHw;
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if (extractDefaultsFromFilename(filename.substr(lastSep+1), checkDest, checkIdent, useCircuit, useSuffix, checkSw, checkHw)) {
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defaultDest = filename.substr(lastSep+1, 2);
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if (!useCircuit.empty()) {
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defaultCircuit = useCircuit;
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}
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if (!useSuffix.empty()) {
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defaultSuffix = useSuffix;
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}
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}
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}
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unsigned int lineNo = 0;
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vector<string> row;
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vector< vector<string> > defaults;
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while (splitFields(ifs, row, lineNo)) {
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if (row.empty()) {
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continue;
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}
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result_t result;
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vector<string>::iterator it = row.begin();
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const vector<string>::iterator end = row.end();
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if (m_supportsDefaults) {
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if (row[0][0] == '*') {
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row[0] = row[0].substr(1);
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result = addDefaultFromFile(defaults, row, it, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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if (result == RESULT_OK) {
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continue;
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}
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} else {
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result = addFromFile(it, end, &defaults, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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}
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} else {
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result = addFromFile(it, end, NULL, defaultDest, defaultCircuit, defaultSuffix, filename, lineNo);
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}
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if (result != RESULT_OK) {
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if (!verbose) {
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ifs.close();
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ostringstream error;
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error << filename << ":" << static_cast<unsigned>(lineNo);
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if (m_lastError.length() > 0) {
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error << ": " << m_lastError;
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}
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m_lastError = error.str();
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return result;
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}
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if (m_lastError.length() > 0) {
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cout << m_lastError << endl;
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}
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printErrorPos(cout, row.begin(), end, it, filename, lineNo, result);
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} else if (!verbose) {
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m_lastError = "";
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}
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}
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ifs.close();
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return RESULT_OK;
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}
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ifs.close();
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return RESULT_OK;
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}
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/**
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* Return a @a string describing the last error position.
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* @return a @a string describing the last error position.
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*/
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virtual string getLastError() { return m_lastError; }
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/**
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* Return a @a string describing the last error position.
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* @return a @a string describing the last error position.
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*/
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virtual string getLastError() { return m_lastError; }
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/**
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* Add a default row that was read from a file.
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* @param defaults the list to add the default row to.
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* @param row the default row (initial star char removed).
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* @param begin an iterator to the first column of the default row to read (for error reporting).
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* @param defaultDest the valid destination address extracted from the file name (from ZZ part), or empty.
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* @param defaultCircuit the valid circuit name extracted from the file name (from IDENT part), or empty.
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* @param defaultSuffix the valid circuit name suffix (starting with a ".") extracted from the file name (number after after IDENT part and "."), or empty.
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* @param filename the name of the file being read.
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* @param lineNo the current line number in the file being read.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t addDefaultFromFile(vector< vector<string> >& defaults, vector<string>& row,
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vector<string>::iterator& begin, string defaultDest, string defaultCircuit, string defaultSuffix,
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const string& filename, unsigned int lineNo) {
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defaults.push_back(row);
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begin = row.end();
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return RESULT_OK;
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}
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/**
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* Add a default row that was read from a file.
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* @param defaults the list to add the default row to.
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* @param row the default row (initial star char removed).
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* @param begin an iterator to the first column of the default row to read (for error reporting).
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* @param defaultDest the valid destination address extracted from the file name (from ZZ part), or empty.
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* @param defaultCircuit the valid circuit name extracted from the file name (from IDENT part), or empty.
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* @param defaultSuffix the valid circuit name suffix (starting with a ".") extracted from the file name (number after after IDENT part and "."), or empty.
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* @param filename the name of the file being read.
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* @param lineNo the current line number in the file being read.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t addDefaultFromFile(vector< vector<string> >& defaults, vector<string>& row,
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vector<string>::iterator& begin, string defaultDest, string defaultCircuit, string defaultSuffix,
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const string& filename, unsigned int lineNo) {
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defaults.push_back(row);
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begin = row.end();
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return RESULT_OK;
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}
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/**
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* Add a definition that was read from a file.
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* @param begin an iterator to the first column of the definition row to read.
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* @param end the end iterator of the definition row to read.
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* @param defaults all previously read default rows (initial star char removed), or NULL if not supported.
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* @param defaultDest the valid destination address extracted from the file name (from ZZ part), or empty.
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* @param defaultCircuit the valid circuit name extracted from the file name (from IDENT part), or empty.
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* @param defaultSuffix the valid circuit name suffix (starting with a ".") extracted from the file name (number after after IDENT part and "."), or empty.
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* @param filename the name of the file being read.
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* @param lineNo the current line number in the file being read.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t addFromFile(vector<string>::iterator& begin, const vector<string>::iterator end,
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vector< vector<string> >* defaults, const string& defaultDest, const string& defaultCircuit, const string& defaultSuffix,
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const string& filename, unsigned int lineNo) = 0;
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/**
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* Add a definition that was read from a file.
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* @param begin an iterator to the first column of the definition row to read.
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* @param end the end iterator of the definition row to read.
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* @param defaults all previously read default rows (initial star char removed), or NULL if not supported.
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* @param defaultDest the valid destination address extracted from the file name (from ZZ part), or empty.
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* @param defaultCircuit the valid circuit name extracted from the file name (from IDENT part), or empty.
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* @param defaultSuffix the valid circuit name suffix (starting with a ".") extracted from the file name (number after after IDENT part and "."), or empty.
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* @param filename the name of the file being read.
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* @param lineNo the current line number in the file being read.
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* @return @a RESULT_OK on success, or an error code.
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*/
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virtual result_t addFromFile(vector<string>::iterator& begin, const vector<string>::iterator end,
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vector< vector<string> >* defaults, const string& defaultDest, const string& defaultCircuit, const string& defaultSuffix,
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const string& filename, unsigned int lineNo) = 0;
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/**
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* Left and right trim the string.
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* @param str the @a string to trim.
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*/
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static void trim(string& str) {
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size_t pos = str.find_first_not_of(" \t");
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if (pos != string::npos) {
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str.erase(0, pos);
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}
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pos = str.find_last_not_of(" \t");
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if (pos != string::npos) {
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str.erase(pos+1);
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}
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}
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/**
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* Left and right trim the string.
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* @param str the @a string to trim.
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*/
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static void trim(string& str) {
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size_t pos = str.find_first_not_of(" \t");
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if (pos != string::npos) {
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str.erase(0, pos);
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}
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pos = str.find_last_not_of(" \t");
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if (pos != string::npos) {
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str.erase(pos+1);
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}
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}
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/**
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* Convert all upper case characters in the string to lower case.
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* @param str the @a string to convert.
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*/
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static void tolower(string& str) {
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transform(str.begin(), str.end(), str.begin(), ::tolower);
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}
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/**
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* Convert all upper case characters in the string to lower case.
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* @param str the @a string to convert.
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*/
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static void tolower(string& str) {
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transform(str.begin(), str.end(), str.begin(), ::tolower);
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}
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/**
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* Split the next line(s) from the @a istring into fields.
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* @param ifs the @a istream to read from.
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* @param row the @a vector to which to add the fields. This will be empty for completely empty and comment lines.
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* @param lineNo the current line number (incremented with each line read).
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* @return true if there are more lines to read, false when there are no more lines left.
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*/
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static bool splitFields(istream& ifs, vector<string>& row, unsigned int& lineNo) {
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row.clear();
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string line;
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bool quotedText = false, wasQuoted = false;
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ostringstream field;
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char prev = FIELD_SEPARATOR;
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bool empty = true, read = false;
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while (getline(ifs, line)) {
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read = true;
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lineNo++;
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trim(line);
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/**
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* Split the next line(s) from the @a istring into fields.
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* @param ifs the @a istream to read from.
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* @param row the @a vector to which to add the fields. This will be empty for completely empty and comment lines.
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* @param lineNo the current line number (incremented with each line read).
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* @return true if there are more lines to read, false when there are no more lines left.
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*/
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static bool splitFields(istream& ifs, vector<string>& row, unsigned int& lineNo) {
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row.clear();
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string line;
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bool quotedText = false, wasQuoted = false;
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ostringstream field;
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char prev = FIELD_SEPARATOR;
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bool empty = true, read = false;
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while (getline(ifs, line)) {
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read = true;
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lineNo++;
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trim(line);
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size_t length = line.length();
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if (!quotedText && (length == 0 || line[0] == '#' || (line.length() > 1 && line[0] == '/' && line[1] == '/'))) {
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continue; // skip empty lines and comments
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}
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for (size_t pos = 0; pos < length; pos++) {
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char ch = line[pos];
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switch (ch) {
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case FIELD_SEPARATOR:
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if (quotedText) {
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field << ch;
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} else {
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string str = field.str();
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trim(str);
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empty &= str.empty();
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row.push_back(str);
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field.str("");
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wasQuoted = false;
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}
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break;
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case TEXT_SEPARATOR:
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if (prev == TEXT_SEPARATOR && !quotedText) { // double dquote
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field << ch;
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quotedText = true;
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} else if (quotedText) {
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quotedText = false;
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} else if (prev == FIELD_SEPARATOR) {
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quotedText = wasQuoted = true;
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} else {
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field << ch;
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}
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break;
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case '\r':
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break;
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default:
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if (prev == TEXT_SEPARATOR && !quotedText && wasQuoted) {
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field << TEXT_SEPARATOR; // single dquote in the middle of formerly quoted text
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quotedText = true;
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} else if (quotedText && pos == 0 && field.tellp() > 0 && *(field.str().end()-1) != VALUE_SEPARATOR) {
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field << VALUE_SEPARATOR;
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}
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field << ch;
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break;
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}
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prev = ch;
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}
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if (!quotedText) {
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break;
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}
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}
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string str = field.str();
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trim(str);
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if (empty && str.empty()) {
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row.clear();
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return read;
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}
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row.push_back(str);
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return true;
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}
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size_t length = line.length();
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if (!quotedText && (length == 0 || line[0] == '#' || (line.length() > 1 && line[0] == '/' && line[1] == '/'))) {
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continue; // skip empty lines and comments
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}
|
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for (size_t pos = 0; pos < length; pos++) {
|
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char ch = line[pos];
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switch (ch) {
|
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case FIELD_SEPARATOR:
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if (quotedText) {
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field << ch;
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} else {
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string str = field.str();
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trim(str);
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empty &= str.empty();
|
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row.push_back(str);
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field.str("");
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wasQuoted = false;
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}
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break;
|
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case TEXT_SEPARATOR:
|
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if (prev == TEXT_SEPARATOR && !quotedText) { // double dquote
|
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field << ch;
|
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quotedText = true;
|
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} else if (quotedText) {
|
||||
quotedText = false;
|
||||
} else if (prev == FIELD_SEPARATOR) {
|
||||
quotedText = wasQuoted = true;
|
||||
} else {
|
||||
field << ch;
|
||||
}
|
||||
break;
|
||||
case '\r':
|
||||
break;
|
||||
default:
|
||||
if (prev == TEXT_SEPARATOR && !quotedText && wasQuoted) {
|
||||
field << TEXT_SEPARATOR; // single dquote in the middle of formerly quoted text
|
||||
quotedText = true;
|
||||
} else if (quotedText && pos == 0 && field.tellp() > 0 && *(field.str().end()-1) != VALUE_SEPARATOR) {
|
||||
field << VALUE_SEPARATOR;
|
||||
}
|
||||
field << ch;
|
||||
break;
|
||||
}
|
||||
prev = ch;
|
||||
}
|
||||
if (!quotedText) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
string str = field.str();
|
||||
trim(str);
|
||||
if (empty && str.empty()) {
|
||||
row.clear();
|
||||
return read;
|
||||
}
|
||||
row.push_back(str);
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Extract default values from the file name.
|
||||
* @param name the file name (without path) in the form "ZZ[.IDENT][.CIRCUIT][.SUFFIX][.SWXXXX][.HWXXXX][.*].csv".
|
||||
* @param dest the output destination address ZZ (hex digits).
|
||||
* @param ident the identification part IDENT (up to 5 characters, set to empty if not present).
|
||||
* @param circuit the circuit part CIRCUIT (set to IDENT if not present).
|
||||
* @param suffix the suffix part SUFFIX including the leading dot (decimal digit, set to empty if not present).
|
||||
* @param software the software version part SWXXXX (BCD digits, set to @a UINT_MAX if not present).
|
||||
* @param hardware the hardware version part HWXXXX (BCD digits, set to @a UINT_MAX if not present).
|
||||
* @return true if at least the address and the identification part were extracted, false otherwise.
|
||||
*/
|
||||
static bool extractDefaultsFromFilename(string name, unsigned char& dest, string& ident, string& circuit,
|
||||
string& suffix, unsigned int& software, unsigned int& hardware) {
|
||||
ident = circuit = suffix = "";
|
||||
software = hardware = UINT_MAX;
|
||||
if (name.length() > 4 && name.substr(name.length()-4) == ".csv") {
|
||||
name = name.substr(0, name.length()-3); // including trailing "."
|
||||
}
|
||||
size_t pos = name.find('.');
|
||||
if (pos != 2) {
|
||||
return false; // missing "ZZ."
|
||||
}
|
||||
result_t result = RESULT_OK;
|
||||
dest = (unsigned char)parseInt(name.substr(0, pos).c_str(), 16, 0, 0xff, result, NULL);
|
||||
if (result != RESULT_OK || !isValidAddress(dest)) {
|
||||
return false; // invalid "ZZ"
|
||||
}
|
||||
name.erase(0, pos);
|
||||
if (name.length() > 1) {
|
||||
pos = name.rfind(".SW"); // check for ".SWxxxx."
|
||||
if (pos != string::npos && name.find(".", pos+1) == pos+7) {
|
||||
software = parseInt(name.substr(pos+3, 4).c_str(), 10, 0, 9999, result, NULL);
|
||||
if (result != RESULT_OK) {
|
||||
return false; // invalid "SWxxxx"
|
||||
}
|
||||
name.erase(pos, 7);
|
||||
}
|
||||
}
|
||||
if (name.length() > 1) {
|
||||
pos = name.rfind(".HW"); // check for ".HWxxxx."
|
||||
if (pos != string::npos && name.find(".", pos+1) == pos+7) {
|
||||
hardware = parseInt(name.substr(pos+3, 4).c_str(), 10, 0, 9999, result, NULL);
|
||||
if (result != RESULT_OK) {
|
||||
return false; // invalid "HWxxxx"
|
||||
}
|
||||
name.erase(pos, 7);
|
||||
}
|
||||
}
|
||||
if (name.length() > 1) {
|
||||
pos = name.find('.', 1); // check for ".IDENT."
|
||||
if (pos != string::npos && pos >= 1 && pos <= 6) { // up to 5 chars between two "."s, immediately after "ZZ.", or ".."
|
||||
ident = circuit = name.substr(1, pos-1);
|
||||
name.erase(0, pos);
|
||||
pos = name.find('.', 1); // check for ".CIRCUIT."
|
||||
if (pos != string::npos && (pos>2 || name[1]<'0' || name[1]>'9')) {
|
||||
circuit = name.substr(1, pos-1);
|
||||
name.erase(0, pos);
|
||||
pos = name.find('.', 1); // check for ".SUFFIX."
|
||||
}
|
||||
if (pos != string::npos && pos == 2 && name[1] >= '0' && name[1] <= '9') {
|
||||
suffix = name.substr(0, 2);
|
||||
name.erase(0, pos);
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
/**
|
||||
* Extract default values from the file name.
|
||||
* @param name the file name (without path) in the form "ZZ[.IDENT][.CIRCUIT][.SUFFIX][.SWXXXX][.HWXXXX][.*].csv".
|
||||
* @param dest the output destination address ZZ (hex digits).
|
||||
* @param ident the identification part IDENT (up to 5 characters, set to empty if not present).
|
||||
* @param circuit the circuit part CIRCUIT (set to IDENT if not present).
|
||||
* @param suffix the suffix part SUFFIX including the leading dot (decimal digit, set to empty if not present).
|
||||
* @param software the software version part SWXXXX (BCD digits, set to @a UINT_MAX if not present).
|
||||
* @param hardware the hardware version part HWXXXX (BCD digits, set to @a UINT_MAX if not present).
|
||||
* @return true if at least the address and the identification part were extracted, false otherwise.
|
||||
*/
|
||||
static bool extractDefaultsFromFilename(string name, unsigned char& dest, string& ident, string& circuit,
|
||||
string& suffix, unsigned int& software, unsigned int& hardware) {
|
||||
ident = circuit = suffix = "";
|
||||
software = hardware = UINT_MAX;
|
||||
if (name.length() > 4 && name.substr(name.length()-4) == ".csv") {
|
||||
name = name.substr(0, name.length()-3); // including trailing "."
|
||||
}
|
||||
size_t pos = name.find('.');
|
||||
if (pos != 2) {
|
||||
return false; // missing "ZZ."
|
||||
}
|
||||
result_t result = RESULT_OK;
|
||||
dest = (unsigned char)parseInt(name.substr(0, pos).c_str(), 16, 0, 0xff, result, NULL);
|
||||
if (result != RESULT_OK || !isValidAddress(dest)) {
|
||||
return false; // invalid "ZZ"
|
||||
}
|
||||
name.erase(0, pos);
|
||||
if (name.length() > 1) {
|
||||
pos = name.rfind(".SW"); // check for ".SWxxxx."
|
||||
if (pos != string::npos && name.find(".", pos+1) == pos+7) {
|
||||
software = parseInt(name.substr(pos+3, 4).c_str(), 10, 0, 9999, result, NULL);
|
||||
if (result != RESULT_OK) {
|
||||
return false; // invalid "SWxxxx"
|
||||
}
|
||||
name.erase(pos, 7);
|
||||
}
|
||||
}
|
||||
if (name.length() > 1) {
|
||||
pos = name.rfind(".HW"); // check for ".HWxxxx."
|
||||
if (pos != string::npos && name.find(".", pos+1) == pos+7) {
|
||||
hardware = parseInt(name.substr(pos+3, 4).c_str(), 10, 0, 9999, result, NULL);
|
||||
if (result != RESULT_OK) {
|
||||
return false; // invalid "HWxxxx"
|
||||
}
|
||||
name.erase(pos, 7);
|
||||
}
|
||||
}
|
||||
if (name.length() > 1) {
|
||||
pos = name.find('.', 1); // check for ".IDENT."
|
||||
if (pos != string::npos && pos >= 1 && pos <= 6) { // up to 5 chars between two "."s, immediately after "ZZ.", or ".."
|
||||
ident = circuit = name.substr(1, pos-1);
|
||||
name.erase(0, pos);
|
||||
pos = name.find('.', 1); // check for ".CIRCUIT."
|
||||
if (pos != string::npos && (pos>2 || name[1]<'0' || name[1]>'9')) {
|
||||
circuit = name.substr(1, pos-1);
|
||||
name.erase(0, pos);
|
||||
pos = name.find('.', 1); // check for ".SUFFIX."
|
||||
}
|
||||
if (pos != string::npos && pos == 2 && name[1] >= '0' && name[1] <= '9') {
|
||||
suffix = name.substr(0, 2);
|
||||
name.erase(0, pos);
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
private:
|
||||
/** whether this instance supports rows with defaults (starting with a star). */
|
||||
bool m_supportsDefaults;
|
||||
private:
|
||||
/** whether this instance supports rows with defaults (starting with a star). */
|
||||
bool m_supportsDefaults;
|
||||
|
||||
|
||||
protected:
|
||||
/** a @a string describing the last error position. */
|
||||
string m_lastError;
|
||||
protected:
|
||||
/** a @a string describing the last error position. */
|
||||
string m_lastError;
|
||||
};
|
||||
|
||||
} // namespace ebusd
|
||||
|
||||
Reference in New Issue
Block a user