--- /dev/null
+/*
+ This file is part of libXMLRPC - a C library for xml-encoded function calls.
+
+ Author: Dan Libby (dan@libby.com)
+ Epinions.com may be contacted at feedback@epinions-inc.com
+*/
+
+/*
+ Copyright 2000 Epinions, Inc.
+
+ Subject to the following 3 conditions, Epinions, Inc. permits you, free
+ of charge, to (a) use, copy, distribute, modify, perform and display this
+ software and associated documentation files (the "Software"), and (b)
+ permit others to whom the Software is furnished to do so as well.
+
+ 1) The above copyright notice and this permission notice shall be included
+ without modification in all copies or substantial portions of the
+ Software.
+
+ 2) THE SOFTWARE IS PROVIDED "AS IS", WITHOUT ANY WARRANTY OR CONDITION OF
+ ANY KIND, EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION ANY
+ IMPLIED WARRANTIES OF ACCURACY, MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ PURPOSE OR NONINFRINGEMENT.
+
+ 3) IN NO EVENT SHALL EPINIONS, INC. BE LIABLE FOR ANY DIRECT, INDIRECT,
+ SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
+ OF OR IN CONNECTION WITH THE SOFTWARE (HOWEVER ARISING, INCLUDING
+ NEGLIGENCE), EVEN IF EPINIONS, INC. IS AWARE OF THE POSSIBILITY OF SUCH
+ DAMAGES.
+
+*/
+
+
+static const char rcsid[] = "#(@) $Id$";
+
+#ifdef _WIN32
+#include "xmlrpc_win32.h"
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include "xml_to_xmlrpc.h"
+#include "base64.h"
+
+/* list of tokens used in vocab */
+#define ELEM_ARRAY "array"
+#define ELEM_BASE64 "base64"
+#define ELEM_BOOLEAN "boolean"
+#define ELEM_DATA "data"
+#define ELEM_DATETIME "dateTime.iso8601"
+#define ELEM_DOUBLE "double"
+#define ELEM_FAULT "fault"
+#define ELEM_FAULTCODE "faultCode"
+#define ELEM_FAULTSTRING "faultString"
+#define ELEM_I4 "i4"
+#define ELEM_INT "int"
+#define ELEM_MEMBER "member"
+#define ELEM_METHODCALL "methodCall"
+#define ELEM_METHODNAME "methodName"
+#define ELEM_METHODRESPONSE "methodResponse"
+#define ELEM_NAME "name"
+#define ELEM_NIL "nil"
+#define ELEM_PARAM "param"
+#define ELEM_PARAMS "params"
+#define ELEM_STRING "string"
+#define ELEM_STRUCT "struct"
+#define ELEM_VALUE "value"
+
+
+XMLRPC_VALUE xml_element_to_XMLRPC_REQUEST_worker(XMLRPC_REQUEST request, XMLRPC_VALUE parent_vector, XMLRPC_VALUE current_val, xml_element* el) {
+ if (!current_val) {
+ /* This should only be the case for the first element */
+ current_val = XMLRPC_CreateValueEmpty();
+ }
+
+ if (el->name) {
+
+ /* first, deal with the crazy/stupid fault format */
+ if (!strcmp(el->name, ELEM_FAULT)) {
+ xml_element* fault_value = (xml_element*)Q_Head(&el->children);
+ XMLRPC_SetIsVector(current_val, xmlrpc_vector_struct);
+
+ if(fault_value) {
+ xml_element* fault_struct = (xml_element*)Q_Head(&fault_value->children);
+ if(fault_struct) {
+ xml_element* iter = (xml_element*)Q_Head(&fault_struct->children);
+
+ while (iter) {
+ XMLRPC_VALUE xNextVal = XMLRPC_CreateValueEmpty();
+ xml_element_to_XMLRPC_REQUEST_worker(request, current_val, xNextVal, iter);
+ XMLRPC_AddValueToVector(current_val, xNextVal);
+ iter = (xml_element*)Q_Next(&fault_struct->children);
+ }
+ }
+ }
+ }
+ else if (!strcmp(el->name, ELEM_DATA) /* should be ELEM_ARRAY, but there is an extra level. weird */
+ || (!strcmp(el->name, ELEM_PARAMS) &&
+ (XMLRPC_RequestGetRequestType(request) == xmlrpc_request_call)) ) { /* this "PARAMS" concept is silly. dave?! */
+ xml_element* iter = (xml_element*)Q_Head(&el->children);
+ XMLRPC_SetIsVector(current_val, xmlrpc_vector_array);
+
+ while (iter) {
+ XMLRPC_VALUE xNextVal = XMLRPC_CreateValueEmpty();
+ xml_element_to_XMLRPC_REQUEST_worker(request, current_val, xNextVal, iter);
+ XMLRPC_AddValueToVector(current_val, xNextVal);
+ iter = (xml_element*)Q_Next(&el->children);
+ }
+ }
+ else if (!strcmp(el->name, ELEM_STRUCT)) {
+ xml_element* iter = (xml_element*)Q_Head(&el->children);
+ XMLRPC_SetIsVector(current_val, xmlrpc_vector_struct);
+
+ while ( iter ) {
+ XMLRPC_VALUE xNextVal = XMLRPC_CreateValueEmpty();
+ xml_element_to_XMLRPC_REQUEST_worker(request, current_val, xNextVal, iter);
+ XMLRPC_AddValueToVector(current_val, xNextVal);
+ iter = (xml_element*)Q_Next(&el->children);
+ }
+ }
+ else if (!strcmp(el->name, ELEM_STRING) ||
+ (!strcmp(el->name, ELEM_VALUE) && Q_Size(&el->children) == 0)) {
+ XMLRPC_SetValueString(current_val, el->text.str, el->text.len);
+ }
+ else if (!strcmp(el->name, ELEM_NAME)) {
+ XMLRPC_SetValueID_Case(current_val, el->text.str, 0, xmlrpc_case_exact);
+ }
+ else if (!strcmp(el->name, ELEM_INT) || !strcmp(el->name, ELEM_I4)) {
+ XMLRPC_SetValueInt(current_val, atoi(el->text.str));
+ }
+ else if (!strcmp(el->name, ELEM_BOOLEAN)) {
+ XMLRPC_SetValueBoolean(current_val, atoi(el->text.str));
+ }
+ else if (!strcmp(el->name, ELEM_DOUBLE)) {
+ XMLRPC_SetValueDouble(current_val, atof(el->text.str));
+ }
+ else if (!strcmp(el->name, ELEM_DATETIME)) {
+ XMLRPC_SetValueDateTime_ISO8601(current_val, el->text.str);
+ }
+ else if (!strcmp(el->name, ELEM_BASE64)) {
+ struct buffer_st buf;
+ base64_decode(&buf, el->text.str, el->text.len);
+ XMLRPC_SetValueBase64(current_val, buf.data, buf.offset);
+ buffer_delete(&buf);
+ }
+ else {
+ xml_element* iter;
+
+ if (!strcmp(el->name, ELEM_METHODCALL)) {
+ if (request) {
+ XMLRPC_RequestSetRequestType(request, xmlrpc_request_call);
+ }
+ }
+ else if (!strcmp(el->name, ELEM_METHODRESPONSE)) {
+ if (request) {
+ XMLRPC_RequestSetRequestType(request, xmlrpc_request_response);
+ }
+ }
+ else if (!strcmp(el->name, ELEM_METHODNAME)) {
+ if (request) {
+ XMLRPC_RequestSetMethodName(request, el->text.str);
+ }
+ }
+
+ iter = (xml_element*)Q_Head(&el->children);
+ while ( iter ) {
+ xml_element_to_XMLRPC_REQUEST_worker(request, parent_vector,
+ current_val, iter);
+ iter = (xml_element*)Q_Next(&el->children);
+ }
+ }
+ }
+ return current_val;
+}
+
+XMLRPC_VALUE xml_element_to_XMLRPC_VALUE(xml_element* el)
+{
+ return xml_element_to_XMLRPC_REQUEST_worker(NULL, NULL, NULL, el);
+}
+
+XMLRPC_VALUE xml_element_to_XMLRPC_REQUEST(XMLRPC_REQUEST request, xml_element* el)
+{
+ if (request) {
+ return XMLRPC_RequestSetData(request, xml_element_to_XMLRPC_REQUEST_worker(request, NULL, NULL, el));
+ }
+ return NULL;
+}
+
+xml_element* XMLRPC_to_xml_element_worker(XMLRPC_VALUE current_vector, XMLRPC_VALUE node,
+ XMLRPC_REQUEST_TYPE request_type, int depth) {
+#define BUF_SIZE 512
+ xml_element* root = NULL;
+ if (node) {
+ char buf[BUF_SIZE];
+ XMLRPC_VALUE_TYPE type = XMLRPC_GetValueType(node);
+ XMLRPC_VECTOR_TYPE vtype = XMLRPC_GetVectorType(node);
+ xml_element* elem_val = xml_elem_new();
+
+ /* special case for when root element is not an array */
+ if (depth == 0 &&
+ !(type == xmlrpc_vector &&
+ vtype == xmlrpc_vector_array &&
+ request_type == xmlrpc_request_call) ) {
+ int bIsFault = (vtype == xmlrpc_vector_struct && XMLRPC_VectorGetValueWithID(node, ELEM_FAULTCODE));
+
+ xml_element* next_el = XMLRPC_to_xml_element_worker(NULL, node, request_type, depth + 1);
+ if (next_el) {
+ Q_PushTail(&elem_val->children, next_el);
+ }
+ elem_val->name = strdup(bIsFault ? ELEM_FAULT : ELEM_PARAMS);
+ }
+ else {
+ switch (type) {
+ case xmlrpc_empty: /* treat null value as empty string in xmlrpc. */
+ case xmlrpc_nil:
+ elem_val->name = strdup(ELEM_NIL);
+ break;
+ case xmlrpc_string:
+ elem_val->name = strdup(ELEM_STRING);
+ simplestring_addn(&elem_val->text, XMLRPC_GetValueString(node), XMLRPC_GetValueStringLen(node));
+ break;
+ case xmlrpc_int:
+ elem_val->name = strdup(ELEM_INT);
+ snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueInt(node));
+ simplestring_add(&elem_val->text, buf);
+ break;
+ case xmlrpc_boolean:
+ elem_val->name = strdup(ELEM_BOOLEAN);
+ snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueBoolean(node));
+ simplestring_add(&elem_val->text, buf);
+ break;
+ case xmlrpc_double:
+ elem_val->name = strdup(ELEM_DOUBLE);
+ snprintf(buf, BUF_SIZE, "%f", XMLRPC_GetValueDouble(node));
+ simplestring_add(&elem_val->text, buf);
+ break;
+ case xmlrpc_datetime:
+ elem_val->name = strdup(ELEM_DATETIME);
+ simplestring_add(&elem_val->text, XMLRPC_GetValueDateTime_ISO8601(node));
+ break;
+ case xmlrpc_base64:
+ {
+ struct buffer_st buf;
+ elem_val->name = strdup(ELEM_BASE64);
+ base64_encode(&buf, XMLRPC_GetValueBase64(node), XMLRPC_GetValueStringLen(node));
+ simplestring_addn(&elem_val->text, buf.data, buf.offset );
+ buffer_delete(&buf);
+ }
+ break;
+ case xmlrpc_vector:
+ {
+ XMLRPC_VECTOR_TYPE my_type = XMLRPC_GetVectorType(node);
+ XMLRPC_VALUE xIter = XMLRPC_VectorRewind(node);
+ xml_element* root_vector_elem = elem_val;
+
+ switch (my_type) {
+ case xmlrpc_vector_array:
+ {
+ if(depth == 0) {
+ elem_val->name = strdup(ELEM_PARAMS);
+ }
+ else {
+ /* Hi my name is Dave and I like to make things as confusing
+ * as possible, thus I will throw in this 'data' element
+ * where it absolutely does not belong just so that people
+ * cannot code arrays and structs in a similar and straight
+ * forward manner. Have a good day.
+ *
+ * GRRRRRRRRR!
+ */
+ xml_element* data = xml_elem_new();
+ data->name = strdup(ELEM_DATA);
+
+ elem_val->name = strdup(ELEM_ARRAY);
+ Q_PushTail(&elem_val->children, data);
+ root_vector_elem = data;
+ }
+ }
+ break;
+ case xmlrpc_vector_mixed: /* not officially supported */
+ case xmlrpc_vector_struct:
+ elem_val->name = strdup(ELEM_STRUCT);
+ break;
+ default:
+ break;
+ }
+
+ /* recurse through sub-elements */
+ while ( xIter ) {
+ xml_element* next_el = XMLRPC_to_xml_element_worker(node, xIter, request_type, depth + 1);
+ if (next_el) {
+ Q_PushTail(&root_vector_elem->children, next_el);
+ }
+ xIter = XMLRPC_VectorNext(node);
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ {
+ XMLRPC_VECTOR_TYPE vtype = XMLRPC_GetVectorType(current_vector);
+
+ if (depth == 1) {
+ xml_element* value = xml_elem_new();
+ value->name = strdup(ELEM_VALUE);
+
+ /* yet another hack for the "fault" crap */
+ if (XMLRPC_VectorGetValueWithID(node, ELEM_FAULTCODE)) {
+ root = value;
+ }
+ else {
+ xml_element* param = xml_elem_new();
+ param->name = strdup(ELEM_PARAM);
+
+ Q_PushTail(¶m->children, value);
+
+ root = param;
+ }
+ Q_PushTail(&value->children, elem_val);
+ }
+ else if (vtype == xmlrpc_vector_struct || vtype == xmlrpc_vector_mixed) {
+ xml_element* member = xml_elem_new();
+ xml_element* name = xml_elem_new();
+ xml_element* value = xml_elem_new();
+
+ member->name = strdup(ELEM_MEMBER);
+ name->name = strdup(ELEM_NAME);
+ value->name = strdup(ELEM_VALUE);
+
+ simplestring_add(&name->text, XMLRPC_GetValueID(node));
+
+ Q_PushTail(&member->children, name);
+ Q_PushTail(&member->children, value);
+ Q_PushTail(&value->children, elem_val);
+
+ root = member;
+ }
+ else if (vtype == xmlrpc_vector_array) {
+ xml_element* value = xml_elem_new();
+
+ value->name = strdup(ELEM_VALUE);
+
+ Q_PushTail(&value->children, elem_val);
+
+ root = value;
+ }
+ else if (vtype == xmlrpc_vector_none) {
+ /* no parent. non-op */
+ root = elem_val;
+ }
+ else {
+ xml_element* value = xml_elem_new();
+
+ value->name = strdup(ELEM_VALUE);
+
+ Q_PushTail(&value->children, elem_val);
+
+ root = value;
+ }
+ }
+ }
+ return root;
+}
+
+xml_element* XMLRPC_VALUE_to_xml_element(XMLRPC_VALUE node) {
+ return XMLRPC_to_xml_element_worker(NULL, node, xmlrpc_request_none, 0);
+}
+
+xml_element* XMLRPC_REQUEST_to_xml_element(XMLRPC_REQUEST request) {
+ xml_element* wrapper = NULL;
+ if (request) {
+ const char* pStr = NULL;
+ XMLRPC_REQUEST_TYPE request_type = XMLRPC_RequestGetRequestType(request);
+ XMLRPC_VALUE xParams = XMLRPC_RequestGetData(request);
+
+ wrapper = xml_elem_new();
+
+ if (request_type == xmlrpc_request_call) {
+ pStr = ELEM_METHODCALL;
+ }
+ else if (request_type == xmlrpc_request_response) {
+ pStr = ELEM_METHODRESPONSE;
+ }
+ if (pStr) {
+ wrapper->name = strdup(pStr);
+ }
+
+ if(request_type == xmlrpc_request_call) {
+ pStr = XMLRPC_RequestGetMethodName(request);
+
+ if (pStr) {
+ xml_element* method = xml_elem_new();
+ method->name = strdup(ELEM_METHODNAME);
+ simplestring_add(&method->text, pStr);
+ Q_PushTail(&wrapper->children, method);
+ }
+ }
+ if (xParams) {
+ Q_PushTail(&wrapper->children,
+ XMLRPC_to_xml_element_worker(NULL, XMLRPC_RequestGetData(request), XMLRPC_RequestGetRequestType(request), 0));
+ }
+ else {
+ /* Despite the spec, the xml-rpc list folk want me to send an empty params element */
+ xml_element* params = xml_elem_new();
+ params->name = strdup(ELEM_PARAMS);
+ Q_PushTail(&wrapper->children, params);
+ }
+ }
+ return wrapper;
+}
+
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