simon/post-scarcity
1
0
Fork 0
Code Issues 3 Pull requests Projects Releases Packages Wiki Activity Actions

Tactical commit

Browse source
This commit is contained in:
Simon Brooke 2019-01-28 15:02:46 +00:00
parent 8334e2bf1f
commit b15c0e8f89
4 changed files with 167 additions and 124 deletions
Download patch file Download diff file Expand all files Collapse all files

103
src/io/fopen.c
View file

@ -53,6 +53,8 @@
/* we use a global one for convenience */
static CURLM *multi_handle;
wint_t ungotten = 0;
/* curl calls this routine to get more data */
static size_t write_callback( char *buffer,
size_t size, size_t nitems, void *userp ) {
@ -452,27 +454,69 @@ URL_FILE *file_to_url_file( FILE * f ) {
wint_t url_fgetwc( URL_FILE * input ) {
wint_t result = -1;
switch ( input->type ) {
case CFTYPE_FILE:
fwide( input->handle.file, 1 ); /* wide characters */
result = fgetwc( input->handle.file ); /* passthrough */
break;
debug_printf( DEBUG_IO, L"url_fgetwc: ungotten = %d\n", ungotten );
case CFTYPE_CURL:{
wchar_t *wbuff = calloc( 2, sizeof( wchar_t ) );
if ( ungotten != 0 ) {
/* TODO: not thread safe */
result = ungotten;
ungotten = 0;
} else {
switch ( input->type ) {
case CFTYPE_FILE:
fwide( input->handle.file, 1 ); /* wide characters */
result = fgetwc( input->handle.file ); /* passthrough */
break;
mbstowcs( wbuff, (char *)&input->buffer[input->buffer_pos], 1 );
result = wbuff[0];
use_one_wide( input );
case CFTYPE_CURL:{
debug_print( L"url_fgetwc: stream is URL\n", DEBUG_IO );
free( wbuff );
}
break;
case CFTYPE_NONE:
break;
char *cbuff =
calloc( sizeof( wchar_t ) + 1, sizeof( char ) );
wchar_t *wbuff = calloc( 2, sizeof( wchar_t ) );
size_t count = 0;
debug_print( L"url_fgetwc: about to call url_fgets\n", DEBUG_IO );
url_fgets( cbuff, 1, input );
debug_print( L"url_fgetwc: back from url_fgets\n", DEBUG_IO );
int c = ( int ) cbuff[0];
debug_printf( DEBUG_IO, L"url_fgetwc: (first) character = %d (%c)\n", c, c & 0xf7 );
/* The value of each individual byte indicates its UTF-8 function, as follows:
*
* 00 to 7F hex (0 to 127): first and only byte of a sequence.
* 80 to BF hex (128 to 191): continuing byte in a multi-byte sequence.
* C2 to DF hex (194 to 223): first byte of a two-byte sequence.
* E0 to EF hex (224 to 239): first byte of a three-byte sequence.
* F0 to FF hex (240 to 255): first byte of a four-byte sequence.
*/
if ( c <= 0x07 ) {
count = 1;
} else if ( c >= '0xc2' && c <= '0xdf' ) {
count = 2;
} else if ( c >= '0xe0' && c <= '0xef' ) {
count = 3;
} else if ( c >= '0xf0' && c <= '0xff' ) {
count = 4;
}
if ( count > 1 ) {
url_fgets( cbuff, --count, input );
}
mbstowcs( wbuff, cbuff, 1 ); //(char *)(&input->buffer[input->buffer_pos]), 1 );
result = wbuff[0];
use_one_wide( input );
free( wbuff );
free( cbuff );
}
break;
case CFTYPE_NONE:
break;
}
}
debug_printf( DEBUG_IO, L"url_fgetwc returning %d (%C)\n", result, result);
debug_printf( DEBUG_IO, L"url_fgetwc returning %d (%C)\n", result,
result );
return result;
}
@ -482,22 +526,23 @@ wint_t url_ungetwc( wint_t wc, URL_FILE * input ) {
switch ( input->type ) {
case CFTYPE_FILE:
fwide( input->handle.file, 1 ); /* wide characters */
result = ungetwc( wc, input->handle.file ); /* passthrough */
result = ungetwc( wc, input->handle.file ); /* passthrough */
break;
case CFTYPE_CURL:{
wchar_t *wbuff = calloc( 2, sizeof( wchar_t ) );
char *cbuff = calloc( 5, sizeof( char ) );
wbuff[0] = wc;
result = wcstombs( cbuff, wbuff, 1 );
input->buffer_pos -= strlen( cbuff );
free( cbuff );
free( wbuff );
result = result > 0 ? wc : result;
ungotten = wc;
// wchar_t *wbuff = calloc( 2, sizeof( wchar_t ) );
// char *cbuff = calloc( 5, sizeof( char ) );
//
// wbuff[0] = wc;
// result = wcstombs( cbuff, wbuff, 1 );
//
// input->buffer_pos -= strlen( cbuff );
//
// free( cbuff );
// free( wbuff );
//
// result = result > 0 ? wc : result;
break;
case CFTYPE_NONE:
break;