1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 #ifndef PVRTSP_CLIENT_ENGINE_UTILS_H 19 #include "pvrtsp_client_engine_utils.h" 20 #endif 21 #include "oscl_mem.h" 22 #include "oscl_mem_basic_functions.h" 23 24 bool composeURL(const char *baseURL, const char *relativeURL, char *completeURL, unsigned int &completeURLLen) 25 { 26 char* copyOfBaseURL = OSCL_ARRAY_NEW(char, 8 * MAX_LONG_TEXT_LEN); 27 if (NULL == copyOfBaseURL) 28 { 29 return false; 30 } 31 32 URLType urlType = findRelativeURLType(relativeURL); 33 switch (urlType) 34 { 35 case CONCATENATE: 36 { 37 int len = oscl_strlen(baseURL); 38 oscl_strncpy(copyOfBaseURL, baseURL, (len + 1)); 39 if ((copyOfBaseURL[len-1] != '/') && (len > 0)) 40 { 41 copyOfBaseURL[len] = '/'; 42 copyOfBaseURL[len+1] = 0; 43 len++; 44 } 45 if (completeURLLen <= (len + oscl_strlen(relativeURL))) 46 { 47 OSCL_ARRAY_DELETE(copyOfBaseURL); 48 return false; 49 } 50 oscl_strncpy(completeURL, copyOfBaseURL, (oscl_strlen(copyOfBaseURL) + 1)); 51 oscl_strcat(completeURL, relativeURL); 52 completeURLLen = oscl_strlen(completeURL); 53 break; 54 } 55 case REPLACE_PATH: 56 { 57 oscl_strncpy(copyOfBaseURL, baseURL, (oscl_strlen(baseURL) + 1)); 58 if (completeURLLen <= (oscl_strlen(copyOfBaseURL) + oscl_strlen(relativeURL))) 59 { 60 OSCL_ARRAY_DELETE(copyOfBaseURL); 61 return false; 62 } 63 oscl_strncpy(completeURL, copyOfBaseURL, (oscl_strlen(copyOfBaseURL) + 1)); 64 oscl_strcat(completeURL, relativeURL); 65 completeURLLen = oscl_strlen(completeURL); 66 break; 67 } 68 case REPLACE_HOST: 69 { 70 const char RTSP[] = "rtsp:"; 71 if (completeURLLen > (oscl_strlen(RTSP) + oscl_strlen(relativeURL))) 72 { 73 oscl_strncpy(completeURL, RTSP, (oscl_strlen(RTSP) + 1)); 74 oscl_strcat(completeURL, relativeURL); 75 completeURLLen = oscl_strlen(completeURL); 76 } 77 else 78 { 79 OSCL_ARRAY_DELETE(copyOfBaseURL); 80 return false; 81 } 82 break; 83 } 84 case UNKNOWN: 85 { 86 OSCL_ARRAY_DELETE(copyOfBaseURL); 87 return false; 88 // break; This statement was removed to avoid compiler warning for Unreachable Code 89 90 } 91 } 92 93 if (copyOfBaseURL) 94 OSCL_ARRAY_DELETE(copyOfBaseURL); 95 96 return true; 97 } 98 99 const char* findRelativeURL(const char *aURL) 100 { 101 int i = 0; 102 while (aURL[i] != '\0') 103 { 104 if (aURL[i] == FWD_SLASH) 105 { 106 if (aURL[i+1] != FWD_SLASH) 107 { 108 return &(aURL[i]); 109 } 110 else 111 {// "//" 112 i++; 113 } 114 } 115 i++; 116 } 117 return NULL; 118 } 119 120 URLType findRelativeURLType(const char *relativeURL) 121 { 122 if ((FWD_SLASH == relativeURL[0]) && (FWD_SLASH == relativeURL[1])) 123 { 124 return REPLACE_HOST; 125 } 126 else if ((FWD_SLASH == relativeURL[0]) && (FWD_SLASH != relativeURL[1])) 127 { 128 return REPLACE_PATH; 129 } 130 else if ((oscl_strstr(relativeURL, &COLON) != NULL) || (DOT == relativeURL[0])) 131 { 132 return UNKNOWN; 133 } 134 else 135 { 136 return CONCATENATE; 137 } 138 } 139 140 void dropTextAfterLastSlash(char *copyOfBaseURL) 141 { 142 int textLen = oscl_strlen(copyOfBaseURL) - 1; 143 144 for (int ii = textLen; ii > 0; ii--) 145 { 146 if ((FWD_SLASH == copyOfBaseURL[ii]) && (ii == textLen)) 147 { 148 return; 149 } 150 else if ((FWD_SLASH != copyOfBaseURL[ii-1]) && 151 (FWD_SLASH == copyOfBaseURL[ii]) && 152 (FWD_SLASH != copyOfBaseURL[ii+1])) 153 { 154 copyOfBaseURL[ii+1] = '\0';//NULL; 155 return; 156 } 157 } 158 //We reach this point only if we a base URL that is not terminated with a '/'. 159 //So, we need to append '/' to the string. 160 if (8*MAX_LONG_TEXT_LEN >= (textLen + 2)) 161 { 162 copyOfBaseURL[textLen+1] = FWD_SLASH; 163 copyOfBaseURL[textLen+2] = '\0';//NULL; 164 } 165 return; 166 } 167 168 void dropTextAfterFirstSlash(char *copyOfBaseURL) 169 { 170 int textLen = oscl_strlen(copyOfBaseURL); 171 int ii; 172 for (ii = 1; ii < textLen - 1; ii++) 173 { 174 if ((FWD_SLASH != copyOfBaseURL[ii-1]) && 175 (FWD_SLASH == copyOfBaseURL[ii]) && 176 (FWD_SLASH != copyOfBaseURL[ii+1])) 177 { 178 copyOfBaseURL[ii] = '\0';//NULL; 179 return; 180 } 181 } 182 //We reach this point if we were not able to find a '/' in the end of the clip. 183 if (FWD_SLASH == copyOfBaseURL[ii]) 184 { 185 copyOfBaseURL[ii] = '\0';//NULL; 186 } 187 188 return; 189 } 190 191 #ifndef OSCL_TIME_H_INCLUDED 192 #include "oscl_time.h" 193 #endif 194 195 #ifndef OSCL_SNPRINTF_H_INCLUDED 196 #include "oscl_snprintf.h" 197 #endif 198 #ifndef OSCL_STRING_CONTAINERS_H_INCLUDED 199 #include "oscl_string_containers.h" 200 #endif 201 202 bool generatePseudoUUID(OSCL_String& aUUID) 203 { 204 aUUID = NULL; 205 return true; 206 } 207 208
