EmscriptenUtilities.cpp

#include "EmscriptenUtilities.h"
 
std::string Cogs::Core::EmscriptenUtilities::combine(const std::string & a, const std::string & b)
{
        if (a.empty()) return b;
 
        size_t contentA = a.length();
        while (a.at(contentA -1) == '/' && contentA>0)
        {
                contentA--;
        }
        
        size_t offsetB = 0;
        while (b.at(offsetB) == '/' && offsetB <b.length())
        {
                offsetB++;
        }
 
        // For some urls with parameter list where we dont want / between search path and resource name.  Eg. service?fileName=resourceName
        auto combined = a.back() == '=' ? a + b : a.substr(0, contentA)  + "/" + b.substr(offsetB, b.length()-offsetB);
        if (combined.find("://") == std::string::npos)
        {
                replaceAll(combined, "//", "/");
        }
 
        replaceAll(combined, "\\", "/");
        replaceAll(combined, "\\\\", "/");
 
        return combined;
}
 
void Cogs::Core::EmscriptenUtilities::replaceAll(std::string & str, const std::string & from, const std::string & to)
{
        if (from.empty()) return;
 
        size_t startPos = 0;
        while ((startPos = str.find(from, startPos)) != std::string::npos) {
                str.replace(startPos, from.length(), to);
                startPos += to.length();
        }
}