/* print buf to simplestring */
static int simplestring_out_fptr(void *f, const char *text, int size)
{
simplestring* buf = (simplestring*)f;
if(buf) {
simplestring_addn(buf, text, size);
}
return 0;
}
/* expat char data handler */
static void _xmlrpc_charHandler(void *userData,
const char *s,
int len)
{
xml_elem_data* mydata = (xml_elem_data*)userData;
if(mydata && mydata->current) {
/* Check if we need to decode utf-8 parser output to another encoding */
if(mydata->needs_enc_conversion && mydata->input_options->encoding) {
int new_len = 0;
char* add_text = utf8_decode(s, len, &new_len, mydata->input_options->encoding);
if(add_text) {
len = new_len;
simplestring_addn(&mydata->current->text, add_text, len);
free(add_text);
return;
}
}
simplestring_addn(&mydata->current->text, s, len);
}
}
/****f* xml_element/xml_elem_new
* NAME
* xml_elem_new
* SYNOPSIS
* xml_element* xml_elem_new()
* FUNCTION
* allocates and initializes a new xml_element
* INPUTS
* none
* RESULT
* xml_element* or NULL. NULL indicates an out-of-memory condition.
* NOTES
* SEE ALSO
* xml_elem_free ()
* xml_elem_free_non_recurse ()
* SOURCE
*/
xml_element* xml_elem_new() {
xml_element* elem = calloc(1, sizeof(xml_element));
if(elem) {
Q_Init(&elem->children);
Q_Init(&elem->attrs);
simplestring_init(&elem->text);
/* init empty string in case we don't find any char data */
simplestring_addn(&elem->text, "", 0);
}
return elem;
}
/****f* FUNC/simplestring_add
* NAME
* simplestring_add
* SYNOPSIS
* void simplestring_add(simplestring* string, const char* add)
* FUNCTION
* appends a string of unknown length from source to target
* INPUTS
* target - the target string to append to
* source - the source string of unknown length
* RESULT
* void
* NOTES
* SEE ALSO
* simplestring_addn ()
* SOURCE
*/
void simplestring_add(simplestring* target, const char* source) {
if(target && source) {
simplestring_addn(target, source, strlen(source));
}
}
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_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* DANDARPC_to_xml_element_worker(XMLRPC_REQUEST request, XMLRPC_VALUE node) {
#define BUF_SIZE 512
xml_element* root = NULL;
if(node) {
char buf[BUF_SIZE];
const char* id = XMLRPC_GetValueID(node);
XMLRPC_VALUE_TYPE type = XMLRPC_GetValueType(node);
XMLRPC_REQUEST_OUTPUT_OPTIONS output = XMLRPC_RequestGetOutputOptions(request);
int bNoAddType = (type == xmlrpc_string && request && output && output->xml_elem_opts.verbosity == xml_elem_no_white_space);
xml_element* elem_val = xml_elem_new();
const char* pAttrType = NULL;
xml_element_attr* attr_type = bNoAddType ? NULL : emalloc(sizeof(xml_element_attr));
if(attr_type) {
attr_type->key = estrdup(ATTR_TYPE);
attr_type->val = 0;
Q_PushTail(&elem_val->attrs, attr_type);
}
elem_val->name = (type == xmlrpc_vector) ? estrdup(ATTR_VECTOR) : estrdup(ATTR_SCALAR);
if(id && *id) {
xml_element_attr* attr_id = emalloc(sizeof(xml_element_attr));
if(attr_id) {
attr_id->key = estrdup(ATTR_ID);
attr_id->val = estrdup(id);
Q_PushTail(&elem_val->attrs, attr_id);
}
}
switch(type) {
case xmlrpc_string:
pAttrType = ATTR_STRING;
simplestring_addn(&elem_val->text, XMLRPC_GetValueString(node), XMLRPC_GetValueStringLen(node));
break;
case xmlrpc_int:
pAttrType = ATTR_INT;
snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueInt(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_boolean:
pAttrType = ATTR_BOOLEAN;
snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueBoolean(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_double:
pAttrType = ATTR_DOUBLE;
snprintf(buf, BUF_SIZE, "%f", XMLRPC_GetValueDouble(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_datetime:
pAttrType = ATTR_DATETIME;
simplestring_add(&elem_val->text, XMLRPC_GetValueDateTime_ISO8601(node));
break;
case xmlrpc_base64:
{
struct buffer_st buf;
pAttrType = ATTR_BASE64;
base64_encode_xmlrpc(&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);
switch(my_type) {
case xmlrpc_vector_array:
pAttrType = ATTR_ARRAY;
break;
case xmlrpc_vector_mixed:
pAttrType = ATTR_MIXED;
break;
case xmlrpc_vector_struct:
pAttrType = ATTR_STRUCT;
break;
default:
break;
}
/* recurse through sub-elements */
while( xIter ) {
xml_element* next_el = DANDARPC_to_xml_element_worker(request, xIter);
if(next_el) {
Q_PushTail(&elem_val->children, next_el);
}
xIter = XMLRPC_VectorNext(node);
}
}
break;
default:
break;
}
if(pAttrType && attr_type && !bNoAddType) {
attr_type->val = estrdup(pAttrType);
}
root = elem_val;
}
return root;
}
/* translates data structures to soap/xml. recursive */
xml_element* SOAP_to_xml_element_worker(XMLRPC_REQUEST request, XMLRPC_VALUE node) {
#define BUF_SIZE 128
xml_element* elem_val = NULL;
if (node) {
int bFreeNode = 0; /* sometimes we may need to free 'node' variable */
char buf[BUF_SIZE];
XMLRPC_VALUE_TYPE_EASY type = XMLRPC_GetValueTypeEasy(node);
char* pName = NULL, *pAttrType = NULL;
/* create our return value element */
elem_val = xml_elem_new();
switch (type) {
case xmlrpc_type_struct:
case xmlrpc_type_mixed:
case xmlrpc_type_array:
if (type == xmlrpc_type_array) {
/* array's are _very_ special in soap.
TODO: Should handle sparse/partial arrays here. */
/* determine soap array type. */
const char* type = get_array_soap_type(node);
xml_element_attr* attr_array_type = NULL;
/* specify array kids type and array size. */
snprintf(buf, sizeof(buf), "%s[%i]", type, XMLRPC_VectorSize(node));
attr_array_type = new_attr(TOKEN_ARRAY_TYPE, buf);
Q_PushTail(&elem_val->attrs, attr_array_type);
pAttrType = TOKEN_ARRAY;
}
/* check for fault, which is a rather special case.
(can't these people design anything consistent/simple/elegant?) */
else if (type == xmlrpc_type_struct) {
int fault_type = get_fault_type(node);
if (fault_type) {
if (fault_type == 1) {
/* gen fault from xmlrpc style fault codes
notice that we get a new node, which must be freed herein. */
node = gen_fault_xmlrpc(node, elem_val);
bFreeNode = 1;
}
pName = TOKEN_FAULT;
}
}
{
/* recurse through sub-elements */
XMLRPC_VALUE xIter = XMLRPC_VectorRewind(node);
while ( xIter ) {
xml_element* next_el = SOAP_to_xml_element_worker(request, xIter);
if (next_el) {
Q_PushTail(&elem_val->children, next_el);
}
xIter = XMLRPC_VectorNext(node);
}
}
break;
/* handle scalar types */
case xmlrpc_type_empty:
pAttrType = TOKEN_NULL;
break;
case xmlrpc_type_string:
pAttrType = TOKEN_STRING;
simplestring_addn(&elem_val->text, XMLRPC_GetValueString(node), XMLRPC_GetValueStringLen(node));
break;
case xmlrpc_type_int:
pAttrType = TOKEN_INT;
snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueInt(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_type_boolean:
pAttrType = TOKEN_BOOLEAN;
snprintf(buf, BUF_SIZE, "%i", XMLRPC_GetValueBoolean(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_type_double:
pAttrType = TOKEN_DOUBLE;
snprintf(buf, BUF_SIZE, "%f", XMLRPC_GetValueDouble(node));
simplestring_add(&elem_val->text, buf);
break;
case xmlrpc_type_datetime:
{
time_t tt = XMLRPC_GetValueDateTime(node);
struct tm *tm = localtime (&tt);
pAttrType = TOKEN_DATETIME;
if(strftime (buf, BUF_SIZE, "%Y-%m-%dT%H:%M:%SZ", tm)) {
simplestring_add(&elem_val->text, buf);
}
}
break;
case xmlrpc_type_base64:
{
struct buffer_st buf;
pAttrType = TOKEN_BASE64;
base64_encode_xmlrpc(&buf, XMLRPC_GetValueBase64(node), XMLRPC_GetValueStringLen(node));
simplestring_addn(&elem_val->text, buf.data, buf.offset );
buffer_delete(&buf);
}
break;
break;
default:
break;
}
/* determining element's name is a bit tricky, due to soap semantics. */
if (!pName) {
/* if the value's type is known... */
if (pAttrType) {
/* see if it has an id (key). If so, use that as name, and type as an attribute. */
pName = (char*)XMLRPC_GetValueID(node);
if (pName) {
Q_PushTail(&elem_val->attrs, new_attr(TOKEN_TYPE, pAttrType));
}
/* otherwise, use the type as the name. */
else {
pName = pAttrType;
}
}
/* if the value's type is not known... (a rare case?) */
else {
/* see if it has an id (key). otherwise, default to generic "item" */
pName = (char*)XMLRPC_GetValueID(node);
if (!pName) {
pName = "item";
}
}
}
elem_val->name = strdup(pName);
/* cleanup */
if (bFreeNode) {
XMLRPC_CleanupValue(node);
}
}
return elem_val;
}
