Panda3D
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00001 // Filename: xFileDataObjectString.cxx 00002 // Created by: drose (08Oct04) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "xFileDataObjectString.h" 00016 #include "string_utils.h" 00017 #include "indent.h" 00018 00019 TypeHandle XFileDataObjectString::_type_handle; 00020 00021 //////////////////////////////////////////////////////////////////// 00022 // Function: XFileDataObjectString::Constructor 00023 // Access: Public 00024 // Description: 00025 //////////////////////////////////////////////////////////////////// 00026 XFileDataObjectString:: 00027 XFileDataObjectString(const XFileDataDef *data_def, const string &value) : 00028 XFileDataObject(data_def), 00029 _value(value) 00030 { 00031 } 00032 00033 //////////////////////////////////////////////////////////////////// 00034 // Function: XFileDataObjectString::output_data 00035 // Access: Public, Virtual 00036 // Description: Writes a suitable representation of this node to an 00037 // .x file in text mode. 00038 //////////////////////////////////////////////////////////////////// 00039 void XFileDataObjectString:: 00040 output_data(ostream &out) const { 00041 enquote_string(out); 00042 } 00043 00044 //////////////////////////////////////////////////////////////////// 00045 // Function: XFileDataObjectString::write_data 00046 // Access: Public, Virtual 00047 // Description: Writes a suitable representation of this node to an 00048 // .x file in text mode. 00049 //////////////////////////////////////////////////////////////////// 00050 void XFileDataObjectString:: 00051 write_data(ostream &out, int indent_level, const char *separator) const { 00052 indent(out, indent_level); 00053 enquote_string(out); 00054 out << separator << "\n"; 00055 } 00056 00057 //////////////////////////////////////////////////////////////////// 00058 // Function: XFileDataObjectString::set_string_value 00059 // Access: Protected, Virtual 00060 // Description: Sets the object's value as a string, if this is 00061 // legal. 00062 //////////////////////////////////////////////////////////////////// 00063 void XFileDataObjectString:: 00064 set_string_value(const string &string_value) { 00065 _value = string_value; 00066 } 00067 00068 //////////////////////////////////////////////////////////////////// 00069 // Function: XFileDataObjectString::get_string_value 00070 // Access: Protected, Virtual 00071 // Description: Returns the object's representation as a string, if 00072 // it has one. 00073 //////////////////////////////////////////////////////////////////// 00074 string XFileDataObjectString:: 00075 get_string_value() const { 00076 return _value; 00077 } 00078 00079 //////////////////////////////////////////////////////////////////// 00080 // Function: XFileDataObjectString::enquote_string 00081 // Access: Private 00082 // Description: Writes the string to the output stream without 00083 // quotation marks, quoting special characters as 00084 // needed. 00085 //////////////////////////////////////////////////////////////////// 00086 void XFileDataObjectString:: 00087 enquote_string(ostream &out) const { 00088 // Actually, the XFile spec doesn't tell us how to escape special 00089 // characters within quotation marks. We'll just take a stab in the 00090 // dark here. 00091 00092 out << '"'; 00093 string::const_iterator si; 00094 for (si = _value.begin(); si != _value.end(); ++si) { 00095 switch (*si) { 00096 case '\n': 00097 out << "\\n"; 00098 break; 00099 00100 case '\r': 00101 out << "\\r"; 00102 break; 00103 00104 case '"': 00105 case '\\': 00106 out << '\\' << (*si); 00107 break; 00108 00109 default: 00110 out << (*si); 00111 } 00112 } 00113 out << '"'; 00114 }