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settings.cpp
author insilmaril
Wed, 05 Dec 2007 14:58:03 +0000
changeset 630 4998bb082c73
parent 619 b48f072a347a
child 729 7ddbe3fa34a1
permissions -rw-r--r--
Added files from Andrew Ng for Windows 
     1 #include <iostream>

     2 #include <qregexp.h>

     3 #include "settings.h"

     4 #include "file.h"

     5 

     6 using namespace std;

     7 

     8 /////////////////////////////////////////////////////////////////

     9 // SimpleSettings

    10 /////////////////////////////////////////////////////////////////

    11 SimpleSettings::SimpleSettings()

    12 {

    13 	clear();		 

    14 }

    15 

    16 SimpleSettings::~SimpleSettings()

    17 {

    18 }

    19 

    20 void SimpleSettings::clear()

    21 {

    22 	keylist.clear();

    23 	valuelist.clear();

    24 }

    25 

    26 void SimpleSettings::readSettings (const QString &path)

    27 {

    28 	QString s;

    29 	if (!loadStringFromDisk(path,s)) 

    30 	{

    31 		qWarning ("SimpleSettings::readSettings() Couldn't read "+path);

    32 		return;

    33 	}	

    34 	QStringList lines;

    35 	lines=QStringList::split (QRegExp("\n"),s,false);

    36 	int i;

    37 	QStringList::Iterator it=lines.begin();

    38 	while (it !=lines.end() )

    39 	{

    40 		i=(*it).find("=",0);

    41 		keylist.append((*it).left(i));

    42 		valuelist.append((*it).right((*it).length()-i-1));

    43 		it++;

    44 	}

    45 }

    46 

    47 void SimpleSettings::writeSettings (const QString &path)

    48 {

    49 	QString s;

    50 	QStringList::Iterator itk=keylist.begin();

    51 	QStringList::Iterator itv=valuelist.begin();

    52 

    53 	// First search for value in settings saved in map

    54 	while (itk !=keylist.end() )

    55 	{

    56 		s+=*itk+"="+*itv+"\n";

    57 		itk++;

    58 		itv++;

    59 	}

    60 	if (!saveStringToDisk(path,s)) 

    61 		qWarning ("SimpleSettings::writeSettings() Couldn't write "+path);

    62 }

    63 

    64 /*

    65 QString SimpleSettings::readEntry (const QString &key)

    66 {

    67 	QStringList::Iterator itk=keylist.begin();

    68 	QStringList::Iterator itv=valuelist.begin();

    69 

    70 	// First search for value in settings saved in map

    71 	while (itk !=keylist.end() )

    72 	{

    73 		if (*itk == key)

    74 			return *itv;

    75 		itk++;

    76 		itv++;

    77 	}

    78 	qWarning ("SimpleSettings::readEntry()  Couldn't find key "+key);

    79 	return "";

    80 }

    81 */

    82 

    83 QString SimpleSettings::readEntry (const QString &key, const QString &def)

    84 {

    85 	QStringList::Iterator itk=keylist.begin();

    86 	QStringList::Iterator itv=valuelist.begin();

    87 

    88 	// First search for value in settings saved in map

    89 	while (itk !=keylist.end() )

    90 	{

    91 		if (*itk == key)

    92 			return *itv;

    93 		itk++;

    94 		itv++;

    95 	}

    96 	return def;

    97 }

    98 

    99 int SimpleSettings::readNumEntry (const QString &key, const int &def)

   100 {

   101 	QStringList::Iterator itk=keylist.begin();

   102 	QStringList::Iterator itv=valuelist.begin();

   103 

   104 	// First search for value in settings saved in map

   105 	while (itk !=keylist.end() )

   106 	{

   107 		if (*itk == key)

   108 		{

   109 			bool ok;

   110 			int i=(*itv).toInt(&ok,10);

   111 			if (ok)

   112 				return i;

   113 			else

   114 				return def;

   115 		}	

   116 		itk++;

   117 		itv++;

   118 	}

   119 	return def;

   120 }

   121 

   122 void SimpleSettings::setEntry (const QString &key, const QString &value)

   123 {

   124 	QStringList::Iterator itk=keylist.begin();

   125 	QStringList::Iterator itv=valuelist.begin();

   126 

   127 	if (!key.isEmpty() )

   128 	{

   129 		// Search for existing entry first

   130 		while (itk !=keylist.end() )

   131 		{

   132 			if (*itk == key)

   133 			{

   134 				if (!value.isEmpty())

   135 					*itv=value;

   136 				else

   137 					*itv="";

   138 				*itv=value;

   139 				return;

   140 			}

   141 			itk++;

   142 			itv++;

   143 		}

   144 		

   145 		// If no entry exists, append a new one

   146 		keylist.append (key);

   147 		valuelist.append (value);

   148 	}

   149 }

   150 

   151 

   152 

   153 /////////////////////////////////////////////////////////////////

   154 // Settings

   155 /////////////////////////////////////////////////////////////////

   156 Settings::Settings()

   157 {

   158 	clear();		 

   159 }

   160 

   161 Settings::Settings(const QString & organization, const QString & application ):QSettings (organization,application)

   162 {

   163 	clear();		 

   164 }

   165 

   166 Settings::~Settings()

   167 {

   168 }

   169 

   170 void Settings::clear()

   171 {

   172 	pathlist.clear();

   173 	keylist.clear();

   174 	valuelist.clear();

   175 }

   176 

   177 void Settings::clearLocal(const QString &s)

   178 {

   179 	QStringList::Iterator itp=pathlist.begin();

   180 	QStringList::Iterator itk=keylist.begin();

   181 	QStringList::Iterator itv=valuelist.begin();

   182 

   183 	while (itp !=pathlist.end() )

   184 	{

   185 		if ((*itk).startsWith (s))

   186 		{

   187 			itp=pathlist.remove (itp);

   188 			itk=keylist.remove (itk);

   189 			itv=valuelist.remove (itv);

   190 		}	else

   191 		{

   192 			itp++;

   193 			itk++;

   194 			itv++;

   195 		}

   196 	}

   197 }

   198 

   199 QString Settings::readLocalEntry ( const QString &fpath, const QString & key, const QString & def = QString::null ) 

   200 {

   201 	QStringList::Iterator itp=pathlist.begin();

   202 	QStringList::Iterator itk=keylist.begin();

   203 	QStringList::Iterator itv=valuelist.begin();

   204 

   205 	// First search for value in settings saved in map

   206 	while (itp !=pathlist.end() )

   207 	{

   208 		if (*itp == fpath && *itk == key)

   209 			return *itv;

   210 		itp++;

   211 		itk++;

   212 		itv++;

   213 	}

   214 

   215 	// Fall back to global vym settings

   216 	bool ok;

   217 	return readEntry (key,def, &ok);

   218 }	

   219 

   220 void Settings::setLocalEntry (const QString &fpath, const QString &key, const QString &value)

   221 {

   222 	QStringList::Iterator itp=pathlist.begin();

   223 	QStringList::Iterator itk=keylist.begin();

   224 	QStringList::Iterator itv=valuelist.begin();

   225 

   226 	if (!fpath.isEmpty() && !key.isEmpty() && !value.isEmpty() )

   227 	{

   228 		// Search for existing entry first

   229 		while (itp !=pathlist.end() )

   230 		{

   231 			if (*itp == fpath && *itk == key)

   232 			{

   233 				*itv=value;

   234 				return;

   235 			}

   236 			itp++;

   237 			itk++;

   238 			itv++;

   239 		}

   240 		

   241 		// If no entry exists, append a new one

   242 		pathlist.append (fpath);

   243 		keylist.append (key);

   244 		valuelist.append (value);

   245 	}

   246 }

   247 

   248 QString Settings::getDataXML (const QString &fpath)

   249 {

   250 	QString s;

   251 	QStringList::Iterator itp=pathlist.begin();

   252 	QStringList::Iterator itk=keylist.begin();

   253 	QStringList::Iterator itv=valuelist.begin();

   254 

   255 	while (itp !=pathlist.end() )

   256 	{

   257 		if (*itp == fpath )

   258 			if (!(*itv).isEmpty())

   259 				s+=singleElement (

   260 					"setting",

   261 					attribut ("key",*itk) 

   262 					+attribut ("value",*itv)

   263 				)+"\n";

   264 		itp++;

   265 		itk++;

   266 		itv++;

   267 	}

   268 	return s;

   269 }

   270
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