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CURL4D.c
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CURL4D.c
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/* --------------------------------------------------------------------------------
#
# 4DPlugin.c
# source generated by 4D Plugin Wizard
# Project : CURL
# author : jelle
# 06/09/09
#
# --------------------------------------------------------------------------------*/
#include "4DPluginAPI.h"
#include "CURL4D.h"
#include <stdio.h>
#include <string.h>
#include <curl/curl.h>
CURL *curlHandle = NULL;
struct MemoryStruct {
Byte *data;
size_t size;
};
typedef struct MemoryStruct MemoryBuffer;
void PluginMain( long selector, PA_PluginParameters params )
{
switch( selector )
{
case kInitPlugin :
InitPlugin();
break;
case kDeinitPlugin :
DeinitPlugin();
break;
// --- CURL
case eCMD_Get_URL_Blob :
Get_URL_Blob( params );
break;
case eCMD_Get_URL_Text :
Get_URL_Text( params );
break;
}
}
void InitPlugin()
{
curlHandle = curl_easy_init();
}
void DeinitPlugin()
{
curl_easy_cleanup(curlHandle);
curl_global_cleanup();
}
// ------------------------------------- CURL -------------------------------------
size_t writeToBuffer(void* data, size_t size, size_t nmemb, void* buffer){
size_t realsize = size * nmemb;
MemoryBuffer *mem = (MemoryBuffer *)buffer;
mem->data = realloc(mem->data, mem->size + realsize);
if (mem->data) {
memcpy(&(mem->data[mem->size]), data, realsize);
mem->size += realsize;
}
return realsize;
}
char* PA_UnistringToChar(PA_Unistring* src){
CFStringRef cfstr = CFStringCreateWithBytes(kCFAllocatorDefault, src->fString, (src->fLength)*2, kCFStringEncodingUTF16, false);
int size = CFStringGetLength(cfstr)+1;
char *dst = malloc(size);
CFStringGetCString(cfstr, dst, size, kCFStringEncodingUTF8);
return dst;
}
PA_Unichar* charToPA_Unichar(char* src){
CFStringRef cfstr = CFStringCreateWithCString(kCFAllocatorDefault, src, kCFStringEncodingUTF8);
PA_Unichar *dst = malloc(CFStringGetLength(cfstr));
CFIndex index;
CFStringGetBytes(cfstr, CFRangeMake(0, CFStringGetLength(cfstr)), kCFStringEncodingUTF16, 0, false, dst, CFStringGetLength(cfstr), &index);
return dst;
}
MemoryBuffer getURL(char* url){
CURLcode err = 0;
MemoryBuffer buffer;
buffer.data = NULL;
buffer.size = 0;
err = curl_easy_setopt(curlHandle, CURLOPT_URL, url);
if (err==0) {
err = curl_easy_setopt(curlHandle, CURLOPT_WRITEFUNCTION, &writeToBuffer);
}
if (err==0) {
err = curl_easy_setopt(curlHandle, CURLOPT_WRITEDATA, (void*)&buffer);
}
if (err==0) {
err = curl_easy_perform(curlHandle);
}
return buffer;
}
void Get_URL_Blob( PA_PluginParameters params )
{
char* c_url;
PA_Unistring* URL;
PA_Handle returnValue;
MemoryBuffer buffer;
URL = PA_GetStringParameter( params, 1 );
c_url = PA_UnistringToChar(URL);
buffer = getURL(c_url);
returnValue = PA_NewHandle(buffer.size);
memcpy(*returnValue,buffer.data, buffer.size);
PA_ReturnBlobHandle( params, returnValue );
}
void Get_URL_Text( PA_PluginParameters params )
{
char* c_url;
char *returnString;
PA_Unichar* URL_uchars;
PA_Unistring* URL;
PA_Unichar* returnValue_uchars;
MemoryBuffer buffer;
URL = PA_GetStringParameter( params, 1 );
URL_uchars = PA_GetUnistring( URL );
c_url = PA_UnistringToChar(URL);
buffer = getURL(c_url);
returnString = malloc(buffer.size + 1);
bzero(returnString, buffer.size + 1);
memcpy(returnString, buffer.data, buffer.size);
returnValue_uchars = charToPA_Unichar(returnString);
PA_ReturnString( params, returnValue_uchars );
}