SOAP: Difference between revisions
Added Wren
(Added Wren) |
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uResult := oSoapClient:anotherSoapFunc(34234)
ENDIF</lang>
=={{header|Wren}}==
{{trans|C}}
{{libheader|libcurl}}
An embedded program so we can ask the C host to communicate with libcurl for us.
<lang ecmascript>/* soap.wren */
var CURLOPT_URL = 10002
var CURLOPT_POST = 47
var CURLOPT_READFUNCTION = 20012
var CURLOPT_READDATA = 10009
var CURLOPT_WRITEFUNCTION = 20011
var CURLOPT_WRITEDATA = 10001
var CURLOPT_HTTPHEADER = 10023
var CURLOPT_POSTFIELDSIZE_LARGE = 30120
var CURLOPT_VERBOSE = 41
foreign class File {
foreign static url
foreign static readFile
foreign static writeFile
construct open(filename, mode) {}
}
foreign class CurlSlist {
construct new() {}
foreign append(s)
}
foreign class Curl {
construct easyInit() {}
foreign easySetOpt(opt, param)
foreign easyPerform()
foreign easyCleanup()
}
var soap = Fn.new { |url, inFile, outFile|
var rfp = File.open(inFile, "r")
if (rfp == 0) Fiber.abort("Error opening read file.")
var wfp = File.open(outFile, "w+")
if (wfp == 0) Fiber.abort("Error opening write file.")
var header = CurlSlist.new()
header = header.append("Content-Type:text/xml")
header = header.append("SOAPAction: rsc")
header = header.append("Transfer-Encoding: chunked")
header = header.append("Expect:")
var curl = Curl.easyInit()
if (curl == 0) Fiber.abort("Error initializing cURL.")
curl.easySetOpt(CURLOPT_URL, url)
curl.easySetOpt(CURLOPT_POST, 1)
curl.easySetOpt(CURLOPT_READFUNCTION, 0) // read function to be supplied by C
curl.easySetOpt(CURLOPT_READDATA, rfp)
curl.easySetOpt(CURLOPT_WRITEFUNCTION, 0) // write function to be supplied by C
curl.easySetOpt(CURLOPT_WRITEDATA, wfp)
curl.easySetOpt(CURLOPT_HTTPHEADER, header)
curl.easySetOpt(CURLOPT_POSTFIELDSIZE_LARGE, -1)
curl.easySetOpt(CURLOPT_VERBOSE, 1)
curl.easyPerform()
curl.easyCleanup()
}
soap.call(File.url, File.readFile, File.writeFile)</lang>
<br>
We now embed this in the following C program, compile and run it.
<lang c>#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include "wren.h"
/* C <=> Wren interface functions */
char *url, *read_file, *write_file;
size_t write_data(void *ptr, size_t size, size_t nmeb, void *stream) {
return fwrite(ptr, size, nmeb, stream);
}
size_t read_data(void *ptr, size_t size, size_t nmeb, void *stream) {
return fread(ptr, size, nmeb, stream);
}
void C_url(WrenVM* vm) {
wrenSetSlotString(vm, 0, url);
}
void C_readFile(WrenVM* vm) {
wrenSetSlotString(vm, 0, read_file);
}
void C_writeFile(WrenVM* vm) {
wrenSetSlotString(vm, 0, write_file);
}
void C_fileAllocate(WrenVM* vm) {
FILE** fp = (FILE**)wrenSetSlotNewForeign(vm, 0, 0, sizeof(FILE*));
const char *filename = wrenGetSlotString(vm, 1);
const char *mode = wrenGetSlotString(vm, 2);
*fp = fopen(filename, mode);
}
void C_curlSlistAllocate(WrenVM* vm) {
wrenSetSlotNewForeign(vm, 0, 0, sizeof(struct curl_slist*));
}
void C_curlAllocate(WrenVM* vm) {
CURL** pcurl = (CURL**)wrenSetSlotNewForeign(vm, 0, 0, sizeof(CURL*));
*pcurl = curl_easy_init();
}
void C_append(WrenVM* vm) {
struct curl_slist** plist = (struct curl_slist**)wrenGetSlotForeign(vm, 0);
const char *s = wrenGetSlotString(vm, 1);
*plist = curl_slist_append(*plist, s);
}
void C_easyPerform(WrenVM* vm) {
CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0);
curl_easy_perform(curl);
}
void C_easyCleanup(WrenVM* vm) {
CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0);
curl_easy_cleanup(curl);
}
void C_easySetOpt(WrenVM* vm) {
CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0);
CURLoption opt = (CURLoption)wrenGetSlotDouble(vm, 1);
if (opt < 10000) {
long lparam = (long)wrenGetSlotDouble(vm, 2);
curl_easy_setopt(curl, opt, lparam);
} else if (opt < 20000) {
if (opt == CURLOPT_WRITEDATA || opt == CURLOPT_READDATA) {
FILE *fp = *(FILE**)wrenGetSlotForeign(vm, 2);
curl_easy_setopt(curl, opt, fp);
} else if (opt == CURLOPT_URL) {
const char *url = wrenGetSlotString(vm, 2);
curl_easy_setopt(curl, opt, url);
} else if (opt == CURLOPT_HTTPHEADER) {
struct curl_slist* header = *(struct curl_slist**)wrenGetSlotForeign(vm, 2);
curl_easy_setopt(curl, opt, header);
}
} else if (opt < 30000) {
if (opt == CURLOPT_READFUNCTION) {
curl_easy_setopt(curl, opt, &read_data);
} else if (opt == CURLOPT_WRITEFUNCTION) {
curl_easy_setopt(curl, opt, &write_data);
}
} else {
curl_off_t cparam = (curl_off_t)wrenGetSlotDouble(vm, 2);
curl_easy_setopt(curl, opt, cparam);
}
}
WrenForeignClassMethods bindForeignClass(WrenVM* vm, const char* module, const char* className) {
WrenForeignClassMethods methods;
methods.allocate = NULL;
methods.finalize = NULL;
if (strcmp(module, "main") == 0) {
if (strcmp(className, "File") == 0) {
methods.allocate = C_fileAllocate;
} else if (strcmp(className, "CurlSlist") == 0) {
methods.allocate = C_curlSlistAllocate;
} else if (strcmp(className, "Curl") == 0) {
methods.allocate = C_curlAllocate;
}
}
return methods;
}
WrenForeignMethodFn bindForeignMethod(
WrenVM* vm,
const char* module,
const char* className,
bool isStatic,
const char* signature) {
if (strcmp(module, "main") == 0) {
if (strcmp(className, "File") == 0) {
if (isStatic && strcmp(signature, "url") == 0) return C_url;
if (isStatic && strcmp(signature, "readFile") == 0) return C_readFile;
if (isStatic && strcmp(signature, "writeFile") == 0) return C_writeFile;
} else if (strcmp(className, "CurlSlist") == 0) {
if (!isStatic && strcmp(signature, "append(_)") == 0) return C_append;
} else if (strcmp(className, "Curl") == 0) {
if (!isStatic && strcmp(signature, "easySetOpt(_,_)") == 0) return C_easySetOpt;
if (!isStatic && strcmp(signature, "easyPerform()") == 0) return C_easyPerform;
if (!isStatic && strcmp(signature, "easyCleanup()") == 0) return C_easyCleanup;
}
}
return NULL;
}
static void writeFn(WrenVM* vm, const char* text) {
printf("%s", text);
}
void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) {
switch (errorType) {
case WREN_ERROR_COMPILE:
printf("[%s line %d] [Error] %s\n", module, line, msg);
break;
case WREN_ERROR_STACK_TRACE:
printf("[%s line %d] in %s\n", module, line, msg);
break;
case WREN_ERROR_RUNTIME:
printf("[Runtime Error] %s\n", msg);
break;
}
}
char *readFile(const char *fileName) {
FILE *f = fopen(fileName, "r");
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
rewind(f);
char *script = malloc(fsize + 1);
fread(script, 1, fsize, f);
fclose(f);
script[fsize] = 0;
return script;
}
int main(int argc, char **argv) {
if (argc != 4 ) {
printf("Usage : %s <URL of WSDL> <Input file path> <Output file path>", argv[0]);
return 0;
}
url = argv[1];
read_file = argv[2];
write_file = argv[3];
WrenConfiguration config;
wrenInitConfiguration(&config);
config.writeFn = &writeFn;
config.errorFn = &errorFn;
config.bindForeignClassFn = &bindForeignClass;
config.bindForeignMethodFn = &bindForeignMethod;
WrenVM* vm = wrenNewVM(&config);
const char* module = "main";
const char* fileName = "soap.wren";
char *script = readFile(fileName);
WrenInterpretResult result = wrenInterpret(vm, module, script);
switch (result) {
case WREN_RESULT_COMPILE_ERROR:
printf("Compile Error!\n");
break;
case WREN_RESULT_RUNTIME_ERROR:
printf("Runtime Error!\n");
break;
case WREN_RESULT_SUCCESS:
break;
}
wrenFreeVM(vm);
free(script);
return 0;
}</lang>
{{omit from|Batch File|Does not have network access.}}
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