Blinker

implemented setting file for boolean values
Parent 17639e0
Stefan Schuermans

Stefan Schuermans commited on 2011-12-29 14:01:24
Showing 5 changed files, with 148 additions and 0 deletions.

src/noarch/Bool.cpp
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#include <string>
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+
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+#include "Bool.h"
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+#include "StringParser.h"
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+
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+namespace Blinker {
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+
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+/// constructor
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+Bool::Bool():
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+  m_bool(false)
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+{
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+}
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+
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+/**
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+ * @brief parse from string format
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+ * @param[in] str string format
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+ * @return if parsing was successful
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+ */
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+bool Bool::fromStr(const std::string &str)
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+{
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+  StringParser parser(str);
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+  bool boolVal;
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+
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+  if (!parser.boolVal(boolVal) ||
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+      !parser.isDone())
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+    return false;
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+  m_bool = boolVal;
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+  return true;
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+}
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+
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+/**
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+ * @brief convert to string format
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+ * @return string format
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+ */
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+std::string Bool::toStr() const
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+{
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+  return m_bool ? "true" : "false";
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+}
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+
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+} // namespace Blinker
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+
src/noarch/Bool.h
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#ifndef BLINKER_BOOL_H
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+#define BLINKER_BOOL_H
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+
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+#include <string>
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+
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+namespace Blinker {
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+
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+/// a bolean value
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+class Bool
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+{
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+public:
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+  /// constructor
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+  Bool();
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+
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+public:
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+  /**
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+   * @brief parse from string format
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+   * @param[in] str string format
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+   * @return if parsing was successful
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+   */
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+  bool fromStr(const std::string &str);
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+
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+  /**
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+   * @brief convert to string format
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+   * @return string format
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+   */
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+  std::string toStr() const;
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+
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+public:
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+  unsigned int m_bool; ///< boolean value
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+}; // class Bool
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+
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+} // namespace Blinker
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+
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+#endif // #ifndef BLINKER_BOOL_H
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+
src/noarch/BoolFile.h
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#ifndef BLINKER_BOOLFILE_H
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+#define BLINKER_BOOLFILE_H
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+
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+#include "Bool.h"
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+#include "SettingFile_impl.h"
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+
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+namespace Blinker {
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+
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+/// setting file containting unsigned integer
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+typedef SettingFile<Bool> BoolFile;
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+
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+} // namespace Blinker
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+
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+#endif // #ifndef BLINKER_BOOLFILE_H
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+
src/noarch/StringParser.cpp
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@@ -47,6 +47,40 @@ bool StringParser::oneChrOf(const std::string &set, char &chr)
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   return true;
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 }
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+/**
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+ * @brief parse boolean value
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+ * @param[out] boolVal boolean value parsed from string
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+ * @return if parsing was successful
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+ */
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+bool StringParser::boolVal(bool &boolVal)
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+{
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+  if (m_it == m_str.end())
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+    return false;
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+  if (*m_it == '0') {
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+    boolVal = false;
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+    return true;
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+  }
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+  if (*m_it == '1') {
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+    boolVal = true;
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+    return true;
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+  }
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+  if (*m_it == 'f') {
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+    boolVal = false;
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+    const char *ptr = "false";
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+    while (m_it != m_str.end() && *ptr && *m_it == *ptr)
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+      ++m_it, ++ptr;
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+    return !*ptr;
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+  }
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+  if (*m_it == 't') {
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+    boolVal = true;
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+    const char *ptr = "true";
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+    while (m_it != m_str.end() && *ptr && *m_it == *ptr)
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+      ++m_it, ++ptr;
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+    return !*ptr;
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+  }
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+  return false;
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+}
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+
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 /**
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  * @brief parse unsigned number
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  * @param[out] uint number parsed from string
src/noarch/StringParser.h
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@@ -36,6 +36,13 @@ public:
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    */
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   bool oneChrOf(const std::string &set, char &chr);
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+  /**
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+   * @brief parse boolean value
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+   * @param[out] boolVal boolean value parsed from string
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+   * @return if parsing was successful
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+   */
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+  bool boolVal(bool &boolVal);
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+
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   /**
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    * @brief parse unsigned number
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    * @param[out] uint number parsed from string
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