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Improved cURL wrapper library. We can write functions from curl_easy_setopt in pure Eiffel now. Before we have to implement the functions in C.

Browse Source 
git-svn-id: https://svn.origo.ethz.ch/eiffelstudio/trunk/Src/library/cURL@71081 8089f293-4706-0410-a29e-feb5c42a2edf
This commit is contained in:
larryl
2007-11-08 07:09:16 +00:00
parent 6179b0f223
commit 179ac3a128
8 changed files with 591 additions and 351 deletions
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105
curl_default_function.e Normal file
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@@ -0,0 +1,105 @@
indexing
description: "[
Default implementation of CURL_FUNCTION.
]"
status: "See notice at end of class."
legal: "See notice at end of class."
date: "$Date$"
revision: "$Revision$"
class
CURL_DEFAULT_FUNCTION
inherit
CURL_FUNCTION
create
make
feature {NONE} -- Initialization
make is
-- Creation method
do
set_object_and_function_address
end
feature -- Command
progress_function (a_object_id: POINTER; a_download_total, a_download_now, a_upload_total, a_upload_now: REAL_64): INTEGER is
-- Redefine
do
end
write_function (a_data_pointer: POINTER; a_size, a_nmemb: INTEGER; a_object_id: POINTER): INTEGER is
-- Redefine
local
l_c_string: C_STRING
l_string: STRING
l_identified: IDENTIFIED
do
Result := a_size * a_nmemb
create l_c_string.share_from_pointer_and_count (a_data_pointer, Result)
create l_identified
l_string ?= l_identified.id_object (a_object_id.to_integer_32)
check not_void: l_string /= Void end
l_string.append (l_c_string.string)
end
debug_function (a_curl_handle: POINTER; a_curl_infotype: INTEGER; a_char_pointer: POINTER; a_size: INTEGER; a_object_id: POINTER): INTEGER is
-- Redefine
local
l_c_string: C_STRING
do
inspect
a_curl_infotype
when {CURL_INFO_TYPE}.curlinfo_data_in then
dump ("<= Recv data", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_data_out then
dump ("=> Send data", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_header_in then
dump ("<= Recv header", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_header_out then
dump ("=> Send header", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_ssl_data_in then
dump ("<= Recv SSL data", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_ssl_data_out then
dump ("=> Send SSL data", a_char_pointer, a_size)
when {CURL_INFO_TYPE}.curlinfo_text then
create l_c_string.make_by_pointer_and_count (a_char_pointer, a_size)
print ("%N== Info: " + l_c_string.string)
else
check type_unknow: False end
end
end
feature {NONE} -- Implementation
dump (a_text: STRING; a_char_pointer: POINTER; a_size: INTEGER) is
-- Dump debug information
require
not_void: a_text /= Void
exists: a_char_pointer /= default_pointer
non_negative: a_size >= 0
local
l_c_string: C_STRING
do
print ("%N" + a_text)
create l_c_string.share_from_pointer_and_count (a_char_pointer, a_size)
print ("%N" + l_c_string.string)
end
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end

89
curl_easy_externals.e
View File

@@ -54,18 +54,18 @@ feature -- Command
setopt_void_star (a_curl_handle, a_opt, a_form.item)
end
setopt_memory_struct (a_curl_handle: POINTER; a_opt: INTEGER; a_memory_struct: CURL_MEMORY_STRUCT) is
setopt_curl_string (a_curl_handle: POINTER; a_opt: INTEGER; a_curl_string: CURL_STRING) is
-- Declared as curl_easy_setopt().
require
exists: a_curl_handle /= default_pointer
valid: (create {CURL_OPT_CONSTANTS}).is_valid (a_opt)
not_void: a_memory_struct /= Void
not_void: a_curl_string /= Void
local
l_api: POINTER
do
l_api := api_loader.safe_load_api (module_name, "curl_easy_setopt")
if l_api /= default_pointer then
c_setopt (l_api, a_curl_handle, a_opt, a_memory_struct.item)
c_setopt_int (l_api, a_curl_handle, a_opt, a_curl_string.object_id)
end
end
@@ -113,6 +113,26 @@ feature -- Command
feature -- Special setting
set_curl_function (a_curl_function: CURL_FUNCTION) is
-- Set `curl_function' with `a_curl_function'
do
internal_curl_function := a_curl_function
ensure
set: a_curl_function /= Void implies curl_function = a_curl_function
end
curl_function: CURL_FUNCTION is
-- cURL functions in curl_easy_setopt.
do
Result := internal_curl_function
if Result = Void then
create {CURL_DEFAULT_FUNCTION} Result.make
internal_curl_function := Result
end
ensure
not_void: Result /= Void
end
set_write_function (a_curl_handle: POINTER) is
-- Set cURL write function
require
@@ -122,7 +142,20 @@ feature -- Special setting
do
l_api := api_loader.safe_load_api (module_name, "curl_easy_setopt")
if l_api /= default_pointer then
c_set_write_function (l_api, a_curl_handle)
curl_function.c_set_write_function (l_api, a_curl_handle)
end
end
set_progress_function (a_curl_handle: POINTER) is
-- Set cURL progress function for upload/download progress.
require
exists: a_curl_handle /= default_pointer
local
l_api: POINTER
do
l_api := api_loader.safe_load_api (module_name, "curl_easy_setopt")
if l_api /= default_pointer then
curl_function.c_set_progress_function (l_api, a_curl_handle)
end
end
@@ -135,12 +168,15 @@ feature -- Special setting
do
l_api := api_loader.safe_load_api (module_name, "curl_easy_setopt")
if l_api /= default_pointer then
c_debug_function (l_api, a_curl_handle)
curl_function.c_set_debug_function (l_api, a_curl_handle)
end
end
feature {NONE} -- Implementation
internal_curl_function: CURL_FUNCTION
-- cURL functions.
api_loader: API_LOADER is
-- API dynamic loader
once
@@ -232,7 +268,7 @@ feature {NONE} -- C externals
]"
end
c_setopt (a_api: POINTER; a_curl_handle: POINTER; a_opt: INTEGER; a_data:POINTER) is
c_setopt (a_api: POINTER; a_curl_handle: POINTER; a_opt: INTEGER; a_data: POINTER) is
-- C implementation of `setopt_void_star'.
-- Declared as curl_easy_setopt ().
require
@@ -252,47 +288,6 @@ feature {NONE} -- C externals
]"
end
c_set_write_function (a_setopt_api: POINTER; a_curl_handle: POINTER) is
-- Setting CURLOPT_WRITEFUNCTION option of `a_curl_handle'.
-- We need this function since cURL need a static c function pointer as value.
require
exists: a_setopt_api /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_WRITEFUNCTION,
WriteMemoryCallback);
}
]"
end
c_debug_function (a_setopt_api: POINTER; a_curl_handle: POINTER) is
-- Setting CURLOPT_DEBUGFUNCTION option of `a_curl_handle'.
-- We need this function since cURL need a static c function pointer as value.
require
exists: a_curl_handle /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_DEBUGFUNCTION,
curl_trace);
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_VERBOSE,
TRUE);
}
]"
end
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"

166
curl_function.e Normal file
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@@ -0,0 +1,166 @@
indexing
description: "[
cURL curl_easy_setopt callback functions' Eiffel wrappers.
We need this class since cURL need a c function pointer as value but
Eiffel function need frist parameter of any funciton call is object address.
Client programmers can inherit this class to fit their needs.
]"
status: "See notice at end of class."
legal: "See notice at end of class."
date: "$Date$"
revision: "$Revision$"
deferred class
CURL_FUNCTION
inherit
DISPOSABLE
feature -- Interactive with C
set_object_and_function_address is
-- Set object and function addresses.
-- Call this feature before call `c_set_progress_function', `c_set_debug_function' and `c_set_write_function'.
do
c_set_object (Current)
c_set_progress_function_address ($progress_function)
c_set_write_function_address ($write_function)
c_set_debug_function_address ($debug_function)
end
c_set_progress_function (a_setopt_api: POINTER; a_curl_handle: POINTER) is
-- Setting CURLOPT_PROGRESSFUNCTION option of `a_curl_handle'.
-- We need this function since cURL need a c function pointer as value.
require
exists: a_setopt_api /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_PROGRESSFUNCTION,
curl_progress_function);
}
]"
end
c_set_debug_function (a_setopt_api: POINTER; a_curl_handle: POINTER) is
-- Setting CURLOPT_DEBUGFUNCTION option of `a_curl_handle'.
-- We need this function since cURL need a c function pointer as value.
require
exists: a_curl_handle /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_DEBUGFUNCTION,
curl_debug_function);
}
]"
end
c_set_write_function (a_setopt_api: POINTER; a_curl_handle: POINTER) is
-- Setting CURLOPT_WRITEFUNCTION option of `a_curl_handle'.
-- We need this function since cURL need a c function pointer as value.
require
exists: a_setopt_api /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
(FUNCTION_CAST(void, (CURL *, CURLoption, ...)) $a_setopt_api)
((CURL *) $a_curl_handle,
(CURLoption)CURLOPT_WRITEFUNCTION,
curl_write_function);
}
]"
end
feature -- cURL curl_easy_setopt functions
progress_function (a_object_id: POINTER; a_download_total, a_download_now, a_upload_total, a_upload_now: REAL_64): INTEGER is
-- Function correspond to {CURL_OPT_CONSTANTS}.curlopt_progressfunction
-- Note, pass a {IDENTIFIED}.object_id as `a_object_id' value is helpful since we can't directly pass an Eiffel Object address which
-- may changed during GC.
deferred
end
write_function (a_data_pointer: POINTER; a_size, a_nmemb: INTEGER; a_object_id: POINTER): INTEGER is
-- Function correspond to {CURL_OPT_CONSTANTS}.curlopt_writefunction
-- Note, pass a {IDENTIFIED}.object_id as `a_object_id' value is helpful since we can't directly pass an Eiffel Object address which
-- may changed during GC.
deferred
end
debug_function (a_curl_handle: POINTER; a_curl_infotype: INTEGER; a_char_pointer: POINTER; a_size: INTEGER; a_object_id: POINTER): INTEGER is
-- Function correspond to {CURL_OPT_CONSTANTS}.curlopt_debugfunction
-- Note, pass a {IDENTIFIED}.object_id as `a_object_id' value is helpful since we can't directly pass an Eiffel Object address which
-- may changed during GC.
require
vaild: (create {CURL_INFO_TYPE}).is_valid (a_curl_infotype)
deferred
end
feature {NONE} -- Externals
c_set_object (a_object: like Current) is
-- Set Current object address.
external
"C macro signature (EIF_OBJECT) use %"eiffel_curl.h%""
end
c_release_object is
-- Release Current pointer in C
external
"C [macro %"eiffel_curl.h%"]"
end
c_set_progress_function_address (a_address: POINTER) is
-- Set progress function address.
external
"C [macro %"eiffel_curl.h%"]"
end
c_set_write_function_address (a_address: POINTER) is
-- Set write function address.
external
"C [macro %"eiffel_curl.h%"]"
end
c_set_debug_function_address (a_address: POINTER) is
-- Set write function address.
external
"C [macro %"eiffel_curl.h%"]"
end
feature {NONE} -- Implementation
dispose is
-- Wean `Current'
local
default_object: like Current
do
c_release_object
c_set_object (default_object)
end
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end

62
curl_info_type.e Normal file
View File

@@ -0,0 +1,62 @@
indexing
description: "[
cURL library info type constants.
]"
status: "See notice at end of class."
legal: "See notice at end of class."
date: "$Date$"
revision: "$Revision$"
class
CURL_INFO_TYPE
feature -- Enumeration
curlinfo_text: INTEGER is 0
-- Declared as CURLINFO_TEXT
curlinfo_header_in: INTEGER is 1
-- Declared as CURLINFO_HEADER_IN
curlinfo_header_out: INTEGER is 2
-- Declared as CURLINFO_HEADER_OUT
curlinfo_data_in: INTEGER is 3
-- Declared as CURLINFO_DATA_IN
curlinfo_data_out: INTEGER is 4
-- Declared as CURLINFO_DATA_OUT
curlinfo_ssl_data_in: INTEGER is 5
-- Declared as CURLINFO_SSL_DATA_IN
curlinfo_ssl_data_out: INTEGER is 6
-- Declared as CURLINFO_SSL_DATA_OUT
feature -- Contract support
is_valid (a_type: INTEGER): BOOLEAN is
-- If `a_type' valid?
do
Result := a_type = curlinfo_data_in or
a_type = curlinfo_data_out or
a_type = curlinfo_header_in or
a_type = curlinfo_header_out or
a_type = curlinfo_ssl_data_in or
a_type = curlinfo_ssl_data_out or
a_type = curlinfo_text
end
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end

192
curl_memory_struct.e
View File

@@ -1,192 +0,0 @@
indexing
description: "[
When libcURL write data which get from remote web site,
this memory stuct will be used by Eiffel language to store the data.
For more informaton see:
http://curl.haxx.se/libcurl/c/curl_easy_setopt.html#CURLOPTWRITEDATA
]"
status: "See notice at end of class."
legal: "See notice at end of class."
date: "$Date$"
revision: "$Revision$"
class
CURL_MEMORY_STRUCT
inherit
DISPOSABLE
create
make
feature {NONE} -- Intialization
make is
-- Creation method.
do
item := item.memory_alloc (struct_size)
set_size (0)
set_memory_chunk (default_pointer)
end
feature -- Query
item: POINTER
-- Managed pointer.
size: INTEGER is
-- String size.
do
if item /= default_pointer then
Result := c_size (item)
end
end
memory_chunk: POINTER is
-- Memory chunk access pointer
do
if item /= default_pointer then
Result := c_memory_chunck (item)
end
end
string: STRING_GENERAL is
-- Covert to Eiffel String.
-- Maybe void if not exists.
local
l_c_string: C_STRING
l_mem: POINTER
l_size: INTEGER
do
l_mem := c_memory_chunck (item)
l_size := size
if l_mem /= default_pointer and then l_size > 0 then
create l_c_string.share_from_pointer_and_count (l_mem, l_size)
Result := l_c_string.string
end
end
struct_size: INTEGER is
-- Size of C Structure.
do
Result := c_size_of_memory_struct
ensure
nonnegative: Result >= 0
end
feature -- Command
set_size (a_size: INTEGER) is
-- Set `size' to `a_size'
require
nonnegative: a_size >= 0
do
c_set_size (item, a_size)
ensure
set: size = a_size
end
set_memory_chunk (a_ptr: POINTER) is
-- Set `memory_chunk' to `a_ptr'.
do
c_set_memory_chunk (item, a_ptr)
ensure
set: memory_chunk = a_ptr
end
dispose is
-- Clean up.
local
l_mem: POINTER
do
if item /= default_pointer then
l_mem := c_memory_chunck (item)
if l_mem /= default_pointer then
l_mem.memory_free
end
item.memory_free
item := default_pointer
end
ensure then
cleared: item = default_pointer
end
feature {NONE} -- C externals
c_size_of_memory_struct: INTEGER is
-- CURL memory struct struct size.
external
"C [macro <eiffel_curl.h>]"
alias
"sizeof (struct cURLMemoryStruct)"
end
c_size (a_item: POINTER): INTEGER is
-- `a_item''s size
require
exists: a_item /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
((struct cURLMemoryStruct *)$a_item)->size
]"
end
c_set_size (a_item: POINTER; a_size: INTEGER) is
-- Set `a_item''s size to `a_size'.
require
exists: a_item /=default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
((struct cURLMemoryStruct *)$a_item)->size = $a_size;
}
]"
ensure
set: c_size (a_item) = a_size
end
c_memory_chunck (a_item: POINTER): POINTER is
-- `a_item''s memory pointer.
require
exists: a_item /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
((struct cURLMemoryStruct *)$a_item)->memory
]"
end
c_set_memory_chunk (a_item: POINTER; a_ptr: POINTER) is
-- Set `a_item''s memory to `a_ptr'.
require
exists: a_item /= default_pointer
external
"C inline use <eiffel_curl.h>"
alias
"[
{
((struct cURLMemoryStruct *)$a_item)->memory = $a_ptr;
}
]"
ensure
set: c_memory_chunck (a_item) = a_ptr
end
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end

35
curl_opt_constants.e
View File

@@ -154,6 +154,36 @@ feature -- Enumerations.
]"
end
curlopt_progressfunction: INTEGER is
-- Declared as CURLOPT_PROGRESSFUNCTION
external
"C inline use <curl/curl.h>"
alias
"[
return CURLOPT_PROGRESSFUNCTION;
]"
end
curlopt_noprogress: INTEGER is
-- Decalred as CURLOPT_NOPROGRESS
external
"C inline use <curl/curl.h>"
alias
"[
return CURLOPT_NOPROGRESS;
]"
end
curlopt_progressdata: INTEGER is
-- Decalred as CURLOPT_PROGRESSDATA
external
"C inline use <curl/curl.h>"
alias
"[
return CURLOPT_PROGRESSDATA;
]"
end
is_valid (a_integer: INTEGER): BOOLEAN is
-- If `a_integer' value vaild?
do
@@ -170,7 +200,10 @@ feature -- Enumerations.
a_integer = curlopt_verbose or
a_integer = curlopt_writedata or
a_integer = curlopt_writeheader or
a_integer = curlopt_writefunction
a_integer = curlopt_writefunction or
a_integer = curlopt_progressfunction or
a_integer = curlopt_progressdata or
a_integer = curlopt_noprogress
end
indexing

50
curl_string.e Normal file
View File

@@ -0,0 +1,50 @@
indexing
description: "[
String used by cURL wrapper library.
Only added features from IDENTIFIED.
]"
status: "See notice at end of class."
legal: "See notice at end of class."
date: "$Date$"
revision: "$Revision$"
class
CURL_STRING
inherit
STRING
select
is_equal,
copy,
out
end
IDENTIFIED
rename
is_equal as identified_is_equal,
copy as identified_copy,
out as identified_out
end
create
make,
make_empty,
make_filled,
make_from_string,
make_from_c,
make_from_cil
indexing
library: "cURL: Library of reusable components for Eiffel."
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end

217
spec/include/eiffel_curl.h
View File

@@ -9,119 +9,140 @@
#include <curl/curl.h>
typedef char bool;
#define TRUE 1
#include "eif_main.h"
#ifdef EIF_THREADS
#include "eif_threads.h"
#endif
#ifndef eiffel_curl
#define eiffel_curl
struct cURLMemoryStruct {
char *memory;
size_t size;
};
typedef EIF_INTEGER (* EIF_CURL_PROGRESS_PROC) (
#ifndef EIF_IL_DLL
EIF_OBJECT, /* CURL_FUNCTION Eiffel object */
#endif
EIF_POINTER, /* a_user_pointer */
EIF_REAL_64, /* a_dltotal */
EIF_REAL_64, /* a_dlnow */
EIF_REAL_64, /* a_ultotal */
EIF_REAL_64 /* a_ulnow */
);
static void dump(const char *text, FILE *stream, unsigned char *ptr, size_t size,bool nohex)
typedef EIF_INTEGER (* EIF_CURL_WRITE_PROC) (
#ifndef EIF_IL_DLL
EIF_OBJECT, /* CURL_FUNCTION Eiffel object */
#endif
EIF_POINTER, /* a_data_pointer */
EIF_INTEGER, /* a_size */
EIF_INTEGER, /* a_nmemb */
EIF_POINTER /* a_write_pointer */
);
typedef EIF_INTEGER (* EIF_CURL_DEBUG_PROC) (
#ifndef EIF_IL_DLL
EIF_OBJECT, /* CURL_FUNCTION Eiffel object */
#endif
EIF_POINTER, /* a_curl_handle */
EIF_INTEGER, /* a_curl_infotype */
EIF_POINTER /* a_char_pointer */
EIF_INTEGER, /* a_size */
EIF_POINTER /* a_user_pointer */
);
EIF_OBJECT eiffel_function_object = NULL;
/* Address of Eiffel object CURL_FUNCTION */
EIF_CURL_PROGRESS_PROC eiffel_progress_function = NULL;
/* Address of Eiffel CURL_FUNCTION.progress_function */
EIF_CURL_WRITE_PROC eiffel_write_function = NULL;
/* Address of Eiffel CURL_FUNCTION.write_function */
EIF_CURL_DEBUG_PROC eiffel_debug_function = NULL;
/* Address of Eiffel CURL_FUNCTION.debug_function */
/* Set Eiffel CURL_FUNCTION object address */
void c_set_object(EIF_OBJECT a_address)
{
size_t i;
size_t c;
unsigned int width=0x10;
if(nohex)
/* without the hex output, we can fit more on screen */
width = 0x400;
fprintf(stream, "%s, %zd bytes (0x%zx)\n", text, size, size);
for(i=0; i<size; i+= width) {
fprintf(stream, "%04zx: ", i);
if(!nohex) {
/* hex not disabled, show it */
for(c = 0; c < width; c++)
if(i+c < size)
fprintf(stream, "%02x ", ptr[i+c]);
else
fputs(" ", stream);
}
for(c = 0; (c < width) && (i+c < size); c++) {
/* check for 0D0A; if found, skip past and start a new line of output */
if (nohex && (i+c+1 < size) && ptr[i+c]==0x0D && ptr[i+c+1]==0x0A) {
i+=(c+2-width);
break;
}
fprintf(stream, "%c",
(ptr[i+c]>=0x20) && (ptr[i+c]<0x80)?ptr[i+c]:'.');
/* check again for 0D0A, to avoid an extra \n if it's at width */
if (nohex && (i+c+2 < size) && ptr[i+c+1]==0x0D && ptr[i+c+2]==0x0A) {
i+=(c+3-width);
break;
}
}
fputc('\n', stream); /* newline */
}
fflush(stream);
eiffel_function_object = (EIF_OBJECT) eif_adopt (a_address);
}
static int curl_trace(CURL *handle, curl_infotype type, unsigned char *data, size_t size, void *userp)
/* Release Eiffel CURL_FUNCTION object address */
void c_release_object()
{
const char *text;
(void)handle; /* prevent compiler warning */
switch (type) {
case CURLINFO_TEXT:
fprintf(stderr, "== Info: %s", data);
default: /* in case a new one is introduced to shock us */
return 0;
case CURLINFO_HEADER_OUT:
text = "=> Send header";
break;
case CURLINFO_DATA_OUT:
text = "=> Send data";
break;
case CURLINFO_HEADER_IN:
text = "<= Recv header";
break;
case CURLINFO_DATA_IN:
text = "<= Recv data";
break;
}
dump(text, stderr, data, size, TRUE);
return 0;
eif_wean (eiffel_function_object);
}
static void *eiffel_realloc(void *ptr, size_t size)
/* Set CURL_FUNCTOIN.progress_function address */
void c_set_progress_function_address( EIF_POINTER a_address)
{
/* There might be a realloc() out there that doesn't like reallocing
NULL pointers, so we take care of it here */
if(ptr)
return realloc(ptr, size);
else
return malloc(size);
eiffel_progress_function = (EIF_CURL_PROGRESS_PROC) a_address;
}
static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
/* Set CURL_FUNCTOIN.write_function address */
void c_set_write_function_address( EIF_POINTER a_address)
{
size_t realsize = size * nmemb;
size_t totalsize;
struct cURLMemoryStruct *mem = (struct cURLMemoryStruct *)data;
mem->memory = (char *)eiffel_realloc(mem->memory, mem->size + realsize + 1);
if (mem->memory) {
memcpy(&(mem->memory[mem->size]), ptr, realsize);
mem->size += realsize;
mem->memory[mem->size] = 0;
}
return realsize;
eiffel_write_function = (EIF_CURL_WRITE_PROC) a_address;
}
/* Set CURL_FUNCTOIN.debug_function address */
void c_set_debug_function_address (EIF_POINTER a_address)
{
eiffel_debug_function = (EIF_CURL_DEBUG_PROC) a_address;
}
/* Eiffel adapter function for CURLOPT_WRITEFUNCTION
We need this function since Eiffel function call need first parameter is EIF_OBJECT. */
size_t curl_write_function (void *ptr, size_t size, size_t nmemb, void *data)
{
if (eiffel_function_object) {
return (size_t) ((eiffel_write_function) (
#ifndef EIF_IL_DLL
(EIF_OBJECT) eif_access (eiffel_function_object),
#endif
(EIF_POINTER) ptr,
(EIF_INTEGER) size,
(EIF_INTEGER) nmemb,
(EIF_POINTER) data));
} else {
}
}
/* Eiffel adapter function for CURLOPT_PROGRESSFUNCTION
We need this function since Eiffel function call need first parameter is EIF_OBJECT. */
size_t curl_progress_function (void * a_object_id, double a_dltotal, double a_dlnow, double a_ultotal, double a_ulnow)
{
if (eiffel_function_object) {
return (size_t) ((eiffel_progress_function) (
#ifndef EIF_IL_DLL
(EIF_OBJECT) eif_access (eiffel_function_object),
#endif
(EIF_POINTER) a_object_id,
(EIF_REAL_64) a_dltotal,
(EIF_REAL_64) a_dlnow,
(EIF_REAL_64) a_ultotal,
(EIF_REAL_64) a_ulnow));
} else {
}
}
/* Eiffel adapter function for CURLOPT_DEBUGFUNCTION
We need this function since Eiffel function call need first parameter is EIF_OBJECT. */
size_t curl_debug_function (CURL * a_curl_handle, curl_infotype a_curl_infotype, unsigned char * a_char_pointer, size_t a_size, void * a_object_id)
{
if (eiffel_function_object) {
return (size_t) ((eiffel_debug_function) (
#ifndef EIF_IL_DLL
(EIF_OBJECT) eif_access (eiffel_function_object),
#endif
(EIF_POINTER) a_curl_handle,
(EIF_INTEGER) a_curl_infotype,
(EIF_POINTER) a_char_pointer,
(EIF_INTEGER) a_size,
(EIF_POINTER) a_object_id));
} else {
}
}
#endif