vdr-plugin-skindesigner/libcore/helpers.c

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C
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#include <string>
#include <sstream>
#include <vector>
#include "helpers.h"
#include <vdr/skins.h>
cPlugin *GetScraperPlugin(void) {
static cPlugin *pScraper = cPluginManager::GetPlugin("scraper2vdr");
if( !pScraper ) // if it doesn't exit, try tvscraper
pScraper = cPluginManager::GetPlugin("tvscraper");
return pScraper;
}
cSize ScaleToFit(int widthMax, int heightMax, int widthOriginal, int heightOriginal) {
int width = 1;
int height = 1;
if ((widthMax == 0)||(heightMax==0)||(widthOriginal==0)||(heightOriginal==0))
return cSize(width, height);
if ((widthOriginal <= widthMax) && (heightOriginal <= heightMax)) {
width = widthOriginal;
height = heightOriginal;
} else if ((widthOriginal > widthMax) && (heightOriginal <= heightMax)) {
width = widthMax;
height = (double)width/(double)widthOriginal * heightOriginal;
} else if ((widthOriginal <= widthMax) && (heightOriginal > heightMax)) {
height = heightMax;
width = (double)height/(double)heightOriginal * widthOriginal;
} else {
width = widthMax;
height = (double)width/(double)widthOriginal * heightOriginal;
if (height > heightMax) {
height = heightMax;
width = (double)height/(double)heightOriginal * widthOriginal;
}
}
return cSize(width, height);
}
int Minimum(int a, int b, int c, int d, int e, int f) {
int min = a;
if (b < min) min = b;
if (c < min) min = c;
if (d < min) min = d;
if (e < min) min = e;
if (f < min) min = f;
return min;
}
string CutText(string &text, int width, string fontName, int fontSize) {
if (width <= fontManager->Font(fontName, fontSize)->Size())
return text.c_str();
fontManager->Lock();
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cTextWrapper twText;
twText.Set(text.c_str(), fontManager->Font(fontName, fontSize), width);
fontManager->Unlock();
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string cuttedTextNative = twText.GetLine(0);
stringstream sstrText;
sstrText << cuttedTextNative << "...";
string cuttedText = sstrText.str();
int actWidth = fontManager->Width(fontName, fontSize, cuttedText.c_str());
if (actWidth > width) {
int overlap = actWidth - width;
int charWidth = fontManager->Width(fontName, fontSize, ".");
if (charWidth == 0)
charWidth = 1;
int cutChars = overlap / charWidth;
if (cutChars > 0) {
cuttedTextNative = cuttedTextNative.substr(0, cuttedTextNative.length() - cutChars);
stringstream sstrText2;
sstrText2 << cuttedTextNative << "...";
cuttedText = sstrText2.str();
}
}
return cuttedText;
}
string StrToLowerCase(string str) {
string lowerCase = str;
const int length = lowerCase.length();
for(int i=0; i < length; ++i) {
lowerCase[i] = std::tolower(lowerCase[i]);
}
return lowerCase;
}
bool isNumber(const string& s) {
string::const_iterator it = s.begin();
while (it != s.end() && std::isdigit(*it)) ++it;
return !s.empty() && it == s.end();
}
bool IsToken(const string& token) {
if ((token.find("{") == 0) && (token.find("}") == (token.size()-1)))
return true;
return false;
}
bool FileExists(const string &fullpath) {
struct stat buffer;
return (stat (fullpath.c_str(), &buffer) == 0);
}
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bool FileExists(const string &path, const string &name, const string &ext) {
stringstream fileName;
fileName << path << name << "." << ext;
struct stat buffer;
return (stat (fileName.str().c_str(), &buffer) == 0);
}
bool FolderExists(const string &path) {
struct stat buffer;
return stat(path.c_str(), &buffer) == 0 && S_ISDIR(buffer.st_mode);
}
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bool FirstFileInFolder(string &path, string &extension, string &fileName) {
DIR *folder = NULL;
struct dirent *file;
folder = opendir(path.c_str());
if (!folder)
return false;
while (file = readdir(folder)) {
if (endswith(file->d_name, extension.c_str())) {
string currentFileName = file->d_name;
int strlength = currentFileName.size();
if (strlength < 8)
continue;
fileName = currentFileName;
return true;
}
}
return false;
}
// trim from start
string &ltrim(string &s) {
s.erase(s.begin(), find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace))));
return s;
}
// trim from end
string &rtrim(string &s) {
s.erase(find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(), s.end());
return s;
}
// trim from both ends
string &trim(string &s) {
return ltrim(rtrim(s));
}
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// split: receives a char delimiter; returns a vector of strings
// By default ignores repeated delimiters, unless argument rep == 1.
vector<string>& splitstring::split(char delim, int rep) {
if (!flds.empty()) flds.clear(); // empty vector if necessary
string work = data();
string buf = "";
int i = 0;
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while (i < (int)work.length()) {
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if (work[i] != delim)
buf += work[i];
else if (rep == 1) {
flds.push_back(buf);
buf = "";
} else if (buf.length() > 0) {
flds.push_back(buf);
buf = "";
}
i++;
}
if (!buf.empty())
flds.push_back(buf);
return flds;
}
cStopWatch::cStopWatch(const char* message) {
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start = cTimeMs::Now();
last = start;
if (message) {
dsyslog("skindesigner: Starting StopWatch %s", message);
}
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}
void cStopWatch::Report(const char* message) {
dsyslog("skindesigner: %s - needed %d ms", message, (int)(cTimeMs::Now() - last));
last = cTimeMs::Now();
}
void cStopWatch::Stop(const char* message) {
dsyslog("skindesigner: %s - needed %d ms", message, (int)(cTimeMs::Now() - start));
}
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//View Helpers
string GetScreenResolutionString(int width, int height, bool *isHD) {
string name = "";
switch (width) {
case 1920:
case 1440:
name = "hd1080i";
*isHD = true;
break;
case 1280:
if (height == 720)
name = "hd720p";
else
name = "hd1080i";
*isHD = true;
break;
case 720:
name = "sd576i";
break;
default:
name = "sd576i";
break;
}
return name;
}
string GetScreenAspectString(double aspect, bool *isWideScreen) {
string name = "";
*isWideScreen = false;
if (aspect == 4.0/3.0) {
name = "4:3";
*isWideScreen = false;
} else if (aspect == 16.0/9.0) {
name = "16:9";
*isWideScreen = true;
} else if (aspect == 2.21) {
name = "21:9";
*isWideScreen = true;
}
return name;
}