Diff: FileListing.cpp

Revision:

29:b6af04b77a56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FileListing.cpp	Mon Oct 27 13:42:26 2014 -0700
@@ -0,0 +1,129 @@
+/**
+ * ACKme WiConnect Host Library is licensed under the BSD licence: 
+ * 
+ * Copyright (c)2014 ACKme Networks.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met: 
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ * this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ * this list of conditions and the following disclaimer in the documentation 
+ * and/or other materials provided with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote products 
+ * derived from this software without specific prior written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ */
+
+#include "Wiconnect.h"
+#include "internal/common.h"
+#include "api/StringUtil.h"
+
+
+static bool nameMatches(const char *needle, const char* haystack);
+
+
+
+/*************************************************************************************************/
+WiconnectResult FileInterface::listFiles(FileList &list, const char *name, FileType type, uint32_t version)
+{
+    WiconnectResult result;
+
+    CHECK_OTHER_COMMAND_EXECUTING();
+
+    if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("ls -v")))
+    {
+        result = processFileList(wiconnect->internalBuffer, list, name, type, version);
+    }
+
+    CHECK_CLEANUP_COMMAND();
+
+    return result;
+}
+
+/*************************************************************************************************/
+WiconnectResult FileInterface::processFileList(char *responseStr, FileList &list, const char *name, FileType type, uint32_t version)
+{
+    WiconnectResult result = WICONNECT_SUCCESS;
+    char *line, *savedLine;
+
+    for(savedLine = responseStr; (line = StringUtil::strtok_r(savedLine, "\r\n", &savedLine)) != NULL;)
+    {
+        uint32_t tmp;
+        char *toks[7], *savedTok;
+
+        if(*line != '#')
+        {
+            continue;
+        }
+        savedTok = line + 2;
+
+        for(int i = 0; i < 6 && (toks[i] = StringUtil::strtok_r(savedTok, " ", &savedTok)) != NULL; ++i)
+        {
+            if(toks[i] == NULL)
+            {
+                result = WICONNECT_RESPONSE_PARSE_ERROR;
+                goto exit;
+            }
+        }
+
+
+        if(name != NULL && !nameMatches(name, savedTok+1))
+        {
+            continue;
+        }
+        else if((type != FILE_TYPE_ANY) &&
+                StringUtil::strHexToUint32((const char*)&toks[1][2], &tmp) &&
+                (type != (FileType)tmp))
+        {
+            continue;
+        }
+        else if((version != 0) &&
+                FileInterface::fileVersionStrToInt(toks[5], &tmp) &&
+                (version != tmp))
+        {
+            continue;
+        }
+        else if(WICONNECT_FAILED(result, list.add(toks[1], toks[2], toks[4], toks[5], savedTok+1)))
+        {
+            goto exit;
+        }
+    }
+
+    exit:
+    return result;
+}
+
+
+/*************************************************************************************************/
+static bool nameMatches(const char *needle, const char* haystack)
+{
+    const int haystackLen = strlen(haystack);
+
+    if(*needle == '*')
+    {
+        const int n = strlen(needle + 1);
+
+        if(n > haystackLen)
+        {
+            return false;
+        }
+        return strcmp(needle+1, &haystack[haystackLen - n]) == 0;
+    }
+    else
+    {
+        return strcmp(needle, haystack) == 0;
+    }
+}