Function Parse

engine/dlib/src/dlib/uri.cpp:45–106

NOTE: This parser is not even close to rfc2396 but good enough for our purposes

    // NOTE: This parser is not even close to rfc2396 but good enough for our purposes
    Result Parse(const char* uri, Parts* parts)
    {
        parts->m_Scheme[0] = '\0';
        parts->m_Location[0] = '\0';
        parts->m_Hostname[0] = '\0';
        parts->m_Port = -1;
        parts->m_Path[0] = '\0';

        const char* scheme_end = strchr(uri, ':');
        if (!scheme_end || !IsValidScheme(uri, scheme_end))
        {
            // Assume file:/// scheme
            dmStrlCpy(parts->m_Scheme, "file", sizeof(parts->m_Scheme));
            dmStrlCpy(parts->m_Path, uri,  sizeof(parts->m_Path));
            return RESULT_OK;
        }
        else
        {
            size_t n = dmMath::Min(sizeof(parts->m_Scheme), (size_t) (scheme_end-uri) + 1);
            dmStrlCpy(parts->m_Scheme, uri, n);

            if (strcmp(parts->m_Scheme, "http") == 0 || strcmp(parts->m_Scheme, "ws") == 0)
            {
                // Default to port 80 for http
                parts->m_Port = 80;
            }
            else if (strcmp(parts->m_Scheme, "https") == 0 || strcmp(parts->m_Scheme, "wss") == 0)
            {
                // Default to port 443 for https
                parts->m_Port = 443;
            }

            const char* slash_slash = strstr(uri, "//");
            if (slash_slash)
            {
                const char* location = slash_slash + 2;
                const char* path = strchr(location, '/');
                if (path)
                {
                    dmStrlCpy(parts->m_Location, location, dmMath::Min(sizeof(parts->m_Location), (size_t) (path - location) + 1));
                    dmStrlCpy(parts->m_Path, path, sizeof(parts->m_Path));
                }
                else
                {
                    dmStrlCpy(parts->m_Location, location, sizeof(parts->m_Location));
                }
                dmStrlCpy(parts->m_Hostname, parts->m_Location, sizeof(parts->m_Hostname));
                char* port = strchr(parts->m_Hostname, ':');
                if (port)
                {
                    parts->m_Port = strtol(port + 1, 0, 10);
                    *port = '\0';
                }
            }
            else
            {
                dmStrlCpy(parts->m_Path, scheme_end+1, sizeof(parts->m_Path));
            }