--- libaitio/src/Attic/url.c 2010/03/04 08:10:57 1.1.2.3 +++ libaitio/src/Attic/url.c 2011/03/16 16:44:52 1.5 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: url.c,v 1.1.2.3 2010/03/04 08:10:57 misho Exp $ +* $Id: url.c,v 1.5 2011/03/16 16:44:52 misho Exp $ * *************************************************************************/ #include "global.h" @@ -16,7 +16,8 @@ * return: 0 error format not find tech:// and return URL like path; -1 error:: can`t read; >0 ok, up bits for known elements */ -int ioURLGet(const char *csURL, struct tagIOURL *url) +int +ioURLGet(const char *csURL, struct tagIOURL *url) { char *pos, *at, *cl, *sl; int ret = 0; @@ -115,19 +116,21 @@ int ioURLGet(const char *csURL, struct tagIOURL *url) } /* - * io_MakeArray() Parse and make array of arguments values - * @psArgs = Input arguments line + * io_MakeArray() Parse and make array of arguments values ... + * (input string will be modified! and output array must be free) + * @psArgs = Input arguments line, after execute string is modified!!! * @csDelim = Delimiter(s) for separate * @args = Output array of arguments ... (must be free() after procced function!) - * @nargs = Requested count of arguments + * @nargs = Maximum requested count of arguments from input string psArgs * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items */ -int io_MakeArray(char * __restrict psArgs, const char *csDelim, char *** __restrict args, int nargs) +inline int +io_MakeArray(char * __restrict psArgs, const char *csDelim, char *** __restrict args, int nargs) { char **app; register int i; - if (!psArgs || !args || !nargs) + if (!psArgs || !csDelim || !args || !nargs) return -1; if (!(*args = malloc(sizeof(char*) * nargs))) { LOGERR; @@ -135,7 +138,281 @@ int io_MakeArray(char * __restrict psArgs, const char } else memset(*args, 0, sizeof(char*) * nargs); - for (i = 0, app = *args; app < *args + nargs && (*app = strsep(&psArgs, csDelim)); + for (i = 0, app = *args; app < *args + nargs && (*app = strsep((char **) &psArgs, csDelim)); **app ? i++ : i, **app ? app++ : app); return i; +} +/* + * io_SizeArray() Parse and calculate size of array + * @csArgs = Input arguments line + * @csDelim = Delimiter(s) for separate + * return: 0 error format; -1 error:: can`t read; >0 ok, number of items +*/ +inline int +io_SizeArray(const char *csArgs, const char *csDelim) +{ + register int res; + char *pos; + + if (!csArgs || !csDelim) + return -1; + + for (res = 1, pos = (char*) csArgs; (pos = strpbrk(pos, csDelim)); res++, pos++); + return res; +} +/* + * io_MakeAV() Parse and make attribute/value pair + * @csArgs = Input argument line + * @csDelim = Delimiter for separate + * @psAttr = Output Attribute + * @attrLen = Size of attribute array + * @psValue = Output Value, if ==NULL this element not present value or not wanted for return + * @valLen = Size of value array + * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items +*/ +inline int +io_MakeAV(const char * __restrict csArgs, const char *csDelim, + char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen) +{ + register int ret = 0; + char *pos, *psBuf; + + if (!csArgs || !csDelim || !psAttr || !attrLen) + return -1; + if (psValue && !valLen) + return -1; + else + memset(psValue, 0, valLen); + psBuf = strdup(csArgs); + if (!psBuf) { + LOGERR; + return -1; + } + + pos = strpbrk(psBuf, csDelim); + if (pos) + *pos++ = 0; + ret++; + strlcpy(psAttr, psBuf, attrLen); + + if (pos && *pos) { + ret++; + if (psValue) + strlcpy(psValue, pos, valLen); + } + + free(psBuf); + return ret; +} + +/* + * io_Path2File() Parse and make path/filename pair + * @csArgs = Input argument line + * @psPath = Output Path, if ==NULL path not returned + * @pathLen = Size of path array + * @psFile = Output File + * @fileLen = Size of file array + * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items +*/ +inline int +io_Path2File(const char * __restrict csArgs, char * __restrict psPath, int pathLen, + char * __restrict psFile, int fileLen) +{ + char *pos, *psBuf; + + if (!csArgs || !psFile || !fileLen) + return -1; + if (psPath && !pathLen) + return -1; + else + memset(psPath, 0, pathLen); + psBuf = strdup(csArgs); + if (!psBuf) { + LOGERR; + return -1; + } + + pos = strrchr(psBuf, '/'); + if (!pos) { + strlcpy(psFile, psBuf, fileLen); + + free(psBuf); + return 1; + } else + *pos++ = 0; + + strlcpy(psFile, pos, fileLen); + if (psPath) + strlcpy(psPath, psBuf, pathLen); + + free(psBuf); + return 2; +} + +/* + * ioURLGetValue() Get value from parsed URL + * @url = Input parsed URL + * @csAttr = Attribute for search + * @psValue = Return value of attribute, if ==NULL only check for existence of attribute + * @valLen = Size of psValue array + * return: 0 error attribute not find; -1 error:: can`t read; >0 ok, find at position +*/ +int +ioURLGetValue(struct tagIOURL *url, const char *csAttr, char * __restrict psValue, int valLen) +{ + register int i, ret = 0; + char szBuf[BUFSIZ], **items, szElem[2][BUFSIZ]; + int len; + + if (!url || !csAttr) + return -1; + + strlcpy(szBuf, url->url_args.value, BUFSIZ); + if (io_MakeArray(szBuf, "&", &items, (len = io_SizeArray(szBuf, "&"))) < 1) + return ret; + + for (i = 0; i < len && items[i]; i++) { + if (io_MakeAV(items[i], "=", szElem[0], BUFSIZ, szElem[1], BUFSIZ) < 1) + continue; + + if (!strcmp(szElem[0], csAttr)) { + ret = i + 1; + if (psValue && valLen) + strlcpy(psValue, szElem[1], valLen); + break; + } + } + + free(items); + return ret; +} + +/* + * ioURLGetFile() Get file from parsed URL + * @url = Input parsed URL + * @psValue = Return filename, if not specified file in url path, replace with / + * @valLen = Size of psValue array + * return: -1 error:: can`t read; 0 ok +*/ +int +ioURLGetFile(struct tagIOURL *url, char * __restrict psValue, int valLen) +{ + if (!url || !psValue || !valLen) + return -1; + + if (io_Path2File(url->url_path.value, NULL, 0, psValue, valLen) < 1) + return -1; + + // If not specified file in path, default replace to / + if (!*psValue) + strlcpy(psValue, "/", valLen); + return 0; +} + +// ------------------------------------------ + +/* + * ioXMLGet() Parse and get data from input XML request string [ns:]container[|attribute[=value]][?data] + * @csXML = Input XML request line + * @xml = Output parsed XML request + * return: 0 error format incorrect, -1 error:: can`t read; >0 ok readed elements bits +*/ +int +ioXMLGet(const char *csXML, struct tagReqXML *xml) +{ + char *pos, *p, *end; + int ret = 0; + + if (!csXML || !xml) + return -1; + else + memset(xml, 0, sizeof *xml); + + strlcpy((char*) xml->xml_line, csXML, BUFSIZ); + // if namespace present + if ((pos = strchr((char*) xml->xml_line, ':'))) { + xml->xml_namespace.value = (char*) xml->xml_line; + xml->xml_namespace.vallen = pos - (char*) xml->xml_line; + if (xml->xml_namespace.vallen) + ret |= 1; + *pos++ = 0; + } else + pos = (char*) xml->xml_line; + // if container is path + if (*pos == '/') { + xml->xml_node.path.value = pos; + xml->xml_node.path.vallen = strlen(pos); + if (!xml->xml_node.path.vallen) + ret = 0; + else + ret |= 32; + return ret; + } else { + // container + xml->xml_node.container.value = pos; + xml->xml_node.container.vallen = strlen(pos); + if (!xml->xml_node.container.vallen) + return 0; + else + ret |= 2; + } + end = strchr(pos, '?'); + // if attribute present + if (pos && (p = strchr(pos, '|')) && (!end || end > p)) { + pos = p; + *pos++ = 0; + xml->xml_node.container.vallen = strlen(xml->xml_node.container.value); + if (!xml->xml_node.container.vallen) + return 0; + + xml->xml_attribute.value = pos; + xml->xml_attribute.vallen = strlen(pos); + if (xml->xml_attribute.vallen) + ret |= 4; + } + // if value present + if (pos && (p = strchr(pos, '=')) && (!end || end > p)) { + if (!(ret & 4)) + return 0; + else + pos = p; + *pos++ = 0; + xml->xml_attribute.vallen = strlen(xml->xml_attribute.value); + if (!xml->xml_attribute.vallen) + return 0; + + xml->xml_value.value = pos; + xml->xml_value.vallen = strlen(pos); + if (xml->xml_value.vallen) + ret |= 8; + } + // if data present + if (pos && end) { + if (ret < 2) + return 0; + else + pos = end; + *pos++ = 0; + if (ret & 8) { + xml->xml_value.vallen = strlen(xml->xml_value.value); + if (!xml->xml_value.vallen) + return 0; + } else if (ret & 4) { + xml->xml_attribute.vallen = strlen(xml->xml_attribute.value); + if (!xml->xml_attribute.vallen) + return 0; + } else if (ret & 2) { + xml->xml_node.container.vallen = strlen(xml->xml_node.container.value); + if (!xml->xml_node.container.vallen) + return 0; + } else + return 0; + + xml->xml_data.value = pos; + xml->xml_data.vallen = strlen(pos); + if (xml->xml_data.vallen) + ret |= 16; + } + + return ret; }