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-rw-r--r--backend.c508
1 files changed, 276 insertions, 232 deletions
diff --git a/backend.c b/backend.c
index e80cebb..248185b 100644
--- a/backend.c
+++ b/backend.c
@@ -1,4 +1,4 @@
-/* $Id: backend.c,v 1.4 2001/11/21 19:24:35 ukai Exp $ */
+/* $Id: backend.c,v 1.5 2001/11/24 02:01:26 ukai Exp $ */
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
@@ -11,150 +11,166 @@
/* Prototype declaration of internal functions */
#ifdef HAVE_READLINE
#include <readline/readline.h>
-#else /* ! HAVE_READLINE */
-static char *readline( char* );
-#endif /* ! HAVE_READLINE */
-static TextList* split( char * );
+#else /* ! HAVE_READLINE */
+static char *readline(char *);
+#endif /* ! HAVE_READLINE */
+static TextList *split(char *);
/* Prototype declaration of command functions */
-static void get( TextList* );
-static void post( TextList* );
-static void set( TextList* );
-static void show( TextList* );
-static void quit( TextList* );
-static void help( TextList* );
+static void get(TextList *);
+static void post(TextList *);
+static void set(TextList *);
+static void show(TextList *);
+static void quit(TextList *);
+static void help(TextList *);
+/* *INDENT-OFF* */
/* Table of command functions */
struct {
const char *name;
const char *option_string;
const char *help;
- void (*func)( TextList* );
+ void (*func)(TextList*);
} command_table[] = {
- { "get", "[-download_only] URL", "Retrieve URL.", get },
- { "post", "[-download_only] [-target TARGET] [-charset CHARSET]"
- " [-enctype ENCTYPE] [-body BODY] [-boundary BOUNDARY] [-length LEN] URL",
- "Retrieve URL.", post },
- { "set", "VARIABLE VALUE", "Set VALUE to VARIABLE.", set },
- { "show", "VARIABLE", "Show value of VARIABLE.", show },
- { "quit", "", "Quit program.", quit },
- { "help", "", "Display help messages.", help },
- { NULL, NULL, NULL, NULL },
+ {"get", "[-download_only] URL", "Retrieve URL.", get},
+ {"post", "[-download_only] [-target TARGET] [-charset CHARSET]"
+ " [-enctype ENCTYPE] [-body BODY] [-boundary BOUNDARY] [-length LEN] URL",
+ "Retrieve URL.", post},
+ {"set", "VARIABLE VALUE", "Set VALUE to VARIABLE.", set},
+ {"show", "VARIABLE", "Show value of VARIABLE.", show},
+ {"quit", "", "Quit program.", quit},
+ {"help", "", "Display help messages.", help},
+ {NULL, NULL, NULL, NULL},
};
-
+/* *INDENT-ON* */
/* Prototype declaration of functions to manipulate configuration variables */
-static void set_column( TextList* );
-static void show_column( TextList* );
+static void set_column(TextList *);
+static void show_column(TextList *);
+/* *INDENT-OFF* */
/* Table of configuration variables */
struct {
const char *name;
- void (*set_func)( TextList* );
- void (*show_func)( TextList* );
+ void (*set_func)(TextList*);
+ void (*show_func)(TextList*);
} variable_table[] = {
- { "column", set_column, show_column },
- { NULL, NULL, NULL },
+ {"column", set_column, show_column},
+ {NULL, NULL, NULL},
};
+/* *INDENT-ON* */
-
-static char* get_mime_charset_name( int coding ){
+static char *
+get_mime_charset_name(int coding)
+{
Str r;
- switch( coding ){
- case CODE_EUC:
- r = Strnew_charp( "euc-japan" );
- break;
- case CODE_SJIS:
- r = Strnew_charp( "shift_jis" );
- break;
- case CODE_JIS_m:
- case CODE_JIS_n:
- case CODE_JIS_N:
- case CODE_JIS_j:
- case CODE_JIS_J:
- r = Strnew_charp( "iso-2022-jp" );
- break;
- default:
- return NULL;
+ switch (coding) {
+ case CODE_EUC:
+ r = Strnew_charp("euc-japan");
+ break;
+ case CODE_SJIS:
+ r = Strnew_charp("shift_jis");
+ break;
+ case CODE_JIS_m:
+ case CODE_JIS_n:
+ case CODE_JIS_N:
+ case CODE_JIS_j:
+ case CODE_JIS_J:
+ r = Strnew_charp("iso-2022-jp");
+ break;
+ default:
+ return NULL;
}
return r->ptr;
}
-static void print_headers( Buffer *buf, int len ){
+static void
+print_headers(Buffer *buf, int len)
+{
TextListItem *tp;
- if( buf->document_header ){
- for( tp = buf->document_header->first; tp; tp = tp->next )
- printf( "%s\n", tp->ptr );
+ if (buf->document_header) {
+ for (tp = buf->document_header->first; tp; tp = tp->next)
+ printf("%s\n", tp->ptr);
}
- printf( "w3m-content-type: %s\n", buf->type );
+ printf("w3m-content-type: %s\n", buf->type);
#ifdef JP_CHARSET
- if( buf->document_code )
- printf( "w3m-content-charset: %s\n",
- get_mime_charset_name( buf->document_code ) );
+ if (buf->document_code)
+ printf("w3m-content-charset: %s\n",
+ get_mime_charset_name(buf->document_code));
#endif
- if( len > 0 )
- printf( "w3m-content-length: %d\n", len );
+ if (len > 0)
+ printf("w3m-content-length: %d\n", len);
}
-static void print_formlist( int fid, FormList *fp ){
- Str s = Sprintf( "w3m-form: (formlist (fid %d) (action \"%s\") (method \"%s\")",
- fid,
- fp->action->ptr,
- ( fp->method == FORM_METHOD_POST )? "post"
- :( ( fp->method == FORM_METHOD_INTERNAL )? "internal" : "get" ) );
- if( fp->target )
- Strcat( s, Sprintf( " (target \"%s\")", fp->target ) );
- if( fp->charset )
- Strcat( s, Sprintf( " (charset '%s)", get_mime_charset_name(fp->charset) ) );
- if( fp->enctype == FORM_ENCTYPE_MULTIPART )
- Strcat_charp( s, " (enctype \"multipart/form-data\")" );
- if( fp->boundary )
- Strcat( s, Sprintf( " (boundary \"%s\")", fp->boundary ) );
- Strcat_charp( s, ")\n" );
- Strfputs( s, stdout );
+static void
+print_formlist(int fid, FormList *fp)
+{
+ Str s =
+ Sprintf("w3m-form: (formlist (fid %d) (action \"%s\") (method \"%s\")",
+ fid,
+ fp->action->ptr,
+ (fp->method == FORM_METHOD_POST) ? "post"
+ : ((fp->method == FORM_METHOD_INTERNAL) ? "internal" : "get"));
+ if (fp->target)
+ Strcat(s, Sprintf(" (target \"%s\")", fp->target));
+ if (fp->charset)
+ Strcat(s,
+ Sprintf(" (charset '%s)", get_mime_charset_name(fp->charset)));
+ if (fp->enctype == FORM_ENCTYPE_MULTIPART)
+ Strcat_charp(s, " (enctype \"multipart/form-data\")");
+ if (fp->boundary)
+ Strcat(s, Sprintf(" (boundary \"%s\")", fp->boundary));
+ Strcat_charp(s, ")\n");
+ Strfputs(s, stdout);
}
-static void internal_get( char *url, int flag, FormList *request ){
+static void
+internal_get(char *url, int flag, FormList *request)
+{
Buffer *buf;
- backend_halfdump_str = Strnew_charp( "<pre>\n" );
+ backend_halfdump_str = Strnew_charp("<pre>\n");
do_download = flag;
- buf = loadGeneralFile( url, NULL, NO_REFERER, 0, request );
+ buf = loadGeneralFile(url, NULL, NO_REFERER, 0, request);
do_download = FALSE;
- if( buf != NULL && buf != NO_BUFFER ){
- if( !strcasecmp( buf->type, "text/html" ) ){
- Strcat( backend_halfdump_str,
- Sprintf( "</pre><title>%s</title>\n", buf->buffername ) );
- print_headers( buf, backend_halfdump_str->length );
- if( buf->formlist ){
+ if (buf != NULL && buf != NO_BUFFER) {
+ if (!strcasecmp(buf->type, "text/html")) {
+ Strcat(backend_halfdump_str,
+ Sprintf("</pre><title>%s</title>\n", buf->buffername));
+ print_headers(buf, backend_halfdump_str->length);
+ if (buf->formlist) {
FormList *fp;
int fid = 0;
- for( fp = buf->formlist; fp; fp = fp->next ) fid++;
- for( fp = buf->formlist; fp; fp = fp->next )
- print_formlist( --fid, fp );
+ for (fp = buf->formlist; fp; fp = fp->next)
+ fid++;
+ for (fp = buf->formlist; fp; fp = fp->next)
+ print_formlist(--fid, fp);
}
- printf( "\n" );
- Strfputs( backend_halfdump_str, stdout );
- } else {
- if( !strcasecmp( buf->type, "text/plain" ) ){
+ printf("\n");
+ Strfputs(backend_halfdump_str, stdout);
+ }
+ else {
+ if (!strcasecmp(buf->type, "text/plain")) {
Line *lp;
int len = 0;
- for( lp = buf->firstLine; lp; lp = lp->next ){
+ for (lp = buf->firstLine; lp; lp = lp->next) {
len += lp->len;
- if( lp->lineBuf[lp->len-1] != '\n' ) len++;
+ if (lp->lineBuf[lp->len - 1] != '\n')
+ len++;
}
- print_headers( buf, len );
- printf( "\n" );
- saveBuffer( buf, stdout );
- } else {
- print_headers( buf, 0 );
+ print_headers(buf, len);
+ printf("\n");
+ saveBuffer(buf, stdout);
+ }
+ else {
+ print_headers(buf, 0);
}
}
}
@@ -162,66 +178,73 @@ static void internal_get( char *url, int flag, FormList *request ){
/* Command: get */
-static void get( TextList *argv ){
+static void
+get(TextList *argv)
+{
char *p, *url = NULL;
int flag = FALSE;
- while(( p = popText( argv ) )){
- if( !strcasecmp( p, "-download_only" ) )
+ while ((p = popText(argv))) {
+ if (!strcasecmp(p, "-download_only"))
flag = TRUE;
else
url = p;
}
- if( url ){
- internal_get( url, flag, NULL );
+ if (url) {
+ internal_get(url, flag, NULL);
}
}
/* Command: post */
-static void post( TextList *argv ){
+static void
+post(TextList *argv)
+{
FormList *request;
char *p, *target = NULL, *charset = NULL,
*enctype = NULL, *body = NULL, *boundary = NULL, *url = NULL;
int flag = FALSE, length = 0;
- while(( p = popText( argv ) )){
- if( !strcasecmp( p, "-download_only" ) )
+ while ((p = popText(argv))) {
+ if (!strcasecmp(p, "-download_only"))
flag = TRUE;
- else if( !strcasecmp( p, "-target" ) )
- target = popText( argv );
- else if( !strcasecmp( p, "-charset" ) )
- charset = popText( argv );
- else if( !strcasecmp( p, "-enctype" ) )
- enctype = popText( argv );
- else if( !strcasecmp( p, "-body" ) )
- body = popText( argv );
- else if( !strcasecmp( p, "-boundary" ) )
- boundary = popText( argv );
- else if( !strcasecmp( p, "-length" ) )
- length = atol( popText( argv ) );
+ else if (!strcasecmp(p, "-target"))
+ target = popText(argv);
+ else if (!strcasecmp(p, "-charset"))
+ charset = popText(argv);
+ else if (!strcasecmp(p, "-enctype"))
+ enctype = popText(argv);
+ else if (!strcasecmp(p, "-body"))
+ body = popText(argv);
+ else if (!strcasecmp(p, "-boundary"))
+ boundary = popText(argv);
+ else if (!strcasecmp(p, "-length"))
+ length = atol(popText(argv));
else
url = p;
}
- if( url ){
- request = newFormList( NULL, "post", charset, enctype, target, NULL, NULL );
+ if (url) {
+ request =
+ newFormList(NULL, "post", charset, enctype, target, NULL, NULL);
request->body = body;
request->boundary = boundary;
- request->length = ( length > 0 )? length : ( body ? strlen(body) : 0 );
- internal_get( url, flag, request );
+ request->length = (length > 0) ? length : (body ? strlen(body) : 0);
+ internal_get(url, flag, request);
}
}
/* Command: set */
-static void set( TextList *argv ){
- if( argv->nitem > 1 ){
+static void
+set(TextList *argv)
+{
+ if (argv->nitem > 1) {
int i;
- for( i = 0; variable_table[i].name; i++ ){
- if( !strcasecmp( variable_table[i].name, argv->first->ptr ) ){
- popText( argv );
- if( variable_table[i].set_func )
- variable_table[i].set_func( argv );
+ for (i = 0; variable_table[i].name; i++) {
+ if (!strcasecmp(variable_table[i].name, argv->first->ptr)) {
+ popText(argv);
+ if (variable_table[i].set_func)
+ variable_table[i].set_func(argv);
break;
}
}
@@ -230,14 +253,16 @@ static void set( TextList *argv ){
/* Command: show */
-static void show( TextList *argv ){
- if( argv->nitem >= 1 ){
+static void
+show(TextList *argv)
+{
+ if (argv->nitem >= 1) {
int i;
- for( i = 0; variable_table[i].name; i++ ){
- if( !strcasecmp( variable_table[i].name, argv->first->ptr ) ){
- popText( argv );
- if( variable_table[i].show_func )
- variable_table[i].show_func( argv );
+ for (i = 0; variable_table[i].name; i++) {
+ if (!strcasecmp(variable_table[i].name, argv->first->ptr)) {
+ popText(argv);
+ if (variable_table[i].show_func)
+ variable_table[i].show_func(argv);
break;
}
}
@@ -246,48 +271,57 @@ static void show( TextList *argv ){
/* Command: quit */
-static void quit( TextList *argv ){
+static void
+quit(TextList *argv)
+{
#ifdef USE_COOKIE
save_cookies();
-#endif /* USE_COOKIE */
+#endif /* USE_COOKIE */
w3m_exit(0);
}
/* Command: help */
-static void help( TextList *argv ){
+static void
+help(TextList *argv)
+{
int i;
- for( i = 0; command_table[i].name; i++ )
- printf( "%s %s\n %s\n",
- command_table[i].name,
- command_table[i].option_string,
- command_table[i].help );
+ for (i = 0; command_table[i].name; i++)
+ printf("%s %s\n %s\n",
+ command_table[i].name,
+ command_table[i].option_string, command_table[i].help);
}
/* Sub command: set COLS */
-static void set_column( TextList *argv ){
- if( argv->nitem == 1 ){
- COLS = atol( argv->first->ptr );
+static void
+set_column(TextList *argv)
+{
+ if (argv->nitem == 1) {
+ COLS = atol(argv->first->ptr);
}
}
/* Sub command: show COLS */
-static void show_column( TextList *argv ){
- fprintf( stdout, "column=%d\n", COLS );
+static void
+show_column(TextList *argv)
+{
+ fprintf(stdout, "column=%d\n", COLS);
}
/* Call appropriate command function based on given string */
-static void call_command_function( char *str ){
+static void
+call_command_function(char *str)
+{
int i;
- TextList *argv = split( str );
- if( argv->nitem > 0 ){
- for( i = 0; command_table[i].name; i++ ){
- if( !strcasecmp( command_table[i].name, argv->first->ptr ) ){
- popText( argv );
- if( command_table[i].func )
- command_table[i].func( argv );
+ TextList *argv = split(str);
+ if (argv->nitem > 0) {
+ for (i = 0; command_table[i].name; i++) {
+ if (!strcasecmp(command_table[i].name, argv->first->ptr)) {
+ popText(argv);
+ if (command_table[i].func)
+ command_table[i].func(argv);
break;
}
}
@@ -296,107 +330,117 @@ static void call_command_function( char *str ){
/* Main function */
-int backend( void ){
+int
+backend(void)
+{
char *str;
- w3m_dump = 0;
- if (COLS == 0) COLS = 80;
+ w3m_dump = 0;
+ if (COLS == 0)
+ COLS = 80;
#ifdef USE_MOUSE
use_mouse = FALSE;
-#endif /* USE_MOUSE */
-
- if( backend_batch_commands ){
- while(( str = popText(backend_batch_commands) ))
- call_command_function( str );
- } else {
- while(( str = readline( "w3m> " ) ))
- call_command_function( str );
+#endif /* USE_MOUSE */
+
+ if (backend_batch_commands) {
+ while ((str = popText(backend_batch_commands)))
+ call_command_function(str);
}
- quit( NULL );
+ else {
+ while ((str = readline("w3m> ")))
+ call_command_function(str);
+ }
+ quit(NULL);
return 0;
}
/* Dummy function of readline(). */
#ifndef HAVE_READLINE
-static char *readline( char *prompt ){
+static char *
+readline(char *prompt)
+{
Str s;
- fputs( prompt, stdout );
- fflush( stdout );
- s = Strfgets( stdin );
- if( feof( stdin ) && (strlen( s->ptr ) == 0) )
+ fputs(prompt, stdout);
+ fflush(stdout);
+ s = Strfgets(stdin);
+ if (feof(stdin) && (strlen(s->ptr) == 0))
return NULL;
else
return s->ptr;
}
-#endif /* ! HAVE_READLINE */
+#endif /* ! HAVE_READLINE */
/* Splits a string into a list of tokens and returns that list. */
-static TextList* split( char *p ){
+static TextList *
+split(char *p)
+{
int in_double_quote = FALSE, in_single_quote = FALSE;
Str s = Strnew();
- TextList* tp = newTextList();
-
- for( ; *p; p++ ){
- switch( *p ){
- case '"':
- if( in_single_quote )
- Strcat_char( s, '"' );
- else
- in_double_quote = !in_double_quote;
- break;
- case '\'':
- if( in_double_quote )
- Strcat_char( s, '\'' );
- else
- in_single_quote = !in_single_quote;
- break;
- case '\\':
- if( !in_single_quote ){
- /* Process escape characters. */
- p++;
- switch( *p ){
- case 't':
- Strcat_char( s, '\t' );
- break;
- case 'r':
- Strcat_char( s, '\r' );
- break;
- case 'f':
- Strcat_char( s, '\f' );
- break;
- case 'n':
- Strcat_char( s, '\n' );
- break;
- case '\0':
- goto LAST;
- default:
- Strcat_char( s, *p );
- }
- } else {
- Strcat_char( s, *p );
- }
- break;
- case ' ':
- case '\t':
- case '\r':
- case '\f':
- case '\n':
- /* Separators are detected. */
- if( in_double_quote || in_single_quote ){
- Strcat_char( s, *p );
- } else if( s->length > 0 ){
- pushText( tp, s->ptr );
- s = Strnew();
+ TextList *tp = newTextList();
+
+ for (; *p; p++) {
+ switch (*p) {
+ case '"':
+ if (in_single_quote)
+ Strcat_char(s, '"');
+ else
+ in_double_quote = !in_double_quote;
+ break;
+ case '\'':
+ if (in_double_quote)
+ Strcat_char(s, '\'');
+ else
+ in_single_quote = !in_single_quote;
+ break;
+ case '\\':
+ if (!in_single_quote) {
+ /* Process escape characters. */
+ p++;
+ switch (*p) {
+ case 't':
+ Strcat_char(s, '\t');
+ break;
+ case 'r':
+ Strcat_char(s, '\r');
+ break;
+ case 'f':
+ Strcat_char(s, '\f');
+ break;
+ case 'n':
+ Strcat_char(s, '\n');
+ break;
+ case '\0':
+ goto LAST;
+ default:
+ Strcat_char(s, *p);
}
- break;
- default:
- Strcat_char( s, *p );
+ }
+ else {
+ Strcat_char(s, *p);
+ }
+ break;
+ case ' ':
+ case '\t':
+ case '\r':
+ case '\f':
+ case '\n':
+ /* Separators are detected. */
+ if (in_double_quote || in_single_quote) {
+ Strcat_char(s, *p);
+ }
+ else if (s->length > 0) {
+ pushText(tp, s->ptr);
+ s = Strnew();
+ }
+ break;
+ default:
+ Strcat_char(s, *p);
}
}
-LAST:
- if( s->length > 0 )
- pushText( tp, s->ptr );
+ LAST:
+ if (s->length > 0)
+ pushText(tp, s->ptr);
return tp;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 14:23:12 +0000