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kconfig: create links in info window

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Extend the expression print helper function to allow customization of the
symbol output and use it to add links to the info window.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Roman Zippel 2006-06-08 22:12:47 -07:00 committed by Sam Ravnborg
parent 7fc925fd6a
commit ab45d190fd
4 changed files with 81 additions and 32 deletions
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50
scripts/kconfig/expr.c
View File

@ -1013,73 +1013,73 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2)
#endif
}
void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken)
void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
{
if (!e) {
fn(data, "y");
fn(data, NULL, "y");
return;
}
if (expr_compare_type(prevtoken, e->type) > 0)
fn(data, "(");
fn(data, NULL, "(");
switch (e->type) {
case E_SYMBOL:
if (e->left.sym->name)
fn(data, e->left.sym->name);
fn(data, e->left.sym, e->left.sym->name);
else
fn(data, "<choice>");
fn(data, NULL, "<choice>");
break;
case E_NOT:
fn(data, "!");
fn(data, NULL, "!");
expr_print(e->left.expr, fn, data, E_NOT);
break;
case E_EQUAL:
fn(data, e->left.sym->name);
fn(data, "=");
fn(data, e->right.sym->name);
fn(data, e->left.sym, e->left.sym->name);
fn(data, NULL, "=");
fn(data, e->right.sym, e->right.sym->name);
break;
case E_UNEQUAL:
fn(data, e->left.sym->name);
fn(data, "!=");
fn(data, e->right.sym->name);
fn(data, e->left.sym, e->left.sym->name);
fn(data, NULL, "!=");
fn(data, e->right.sym, e->right.sym->name);
break;
case E_OR:
expr_print(e->left.expr, fn, data, E_OR);
fn(data, " || ");
fn(data, NULL, " || ");
expr_print(e->right.expr, fn, data, E_OR);
break;
case E_AND:
expr_print(e->left.expr, fn, data, E_AND);
fn(data, " && ");
fn(data, NULL, " && ");
expr_print(e->right.expr, fn, data, E_AND);
break;
case E_CHOICE:
fn(data, e->right.sym->name);
fn(data, e->right.sym, e->right.sym->name);
if (e->left.expr) {
fn(data, " ^ ");
fn(data, NULL, " ^ ");
expr_print(e->left.expr, fn, data, E_CHOICE);
}
break;
case E_RANGE:
fn(data, "[");
fn(data, e->left.sym->name);
fn(data, " ");
fn(data, e->right.sym->name);
fn(data, "]");
fn(data, NULL, "[");
fn(data, e->left.sym, e->left.sym->name);
fn(data, NULL, " ");
fn(data, e->right.sym, e->right.sym->name);
fn(data, NULL, "]");
break;
default:
{
char buf[32];
sprintf(buf, "<unknown type %d>", e->type);
fn(data, buf);
fn(data, NULL, buf);
break;
}
}
if (expr_compare_type(prevtoken, e->type) > 0)
fn(data, ")");
fn(data, NULL, ")");
}
static void expr_print_file_helper(void *data, const char *str)
static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
{
fwrite(str, strlen(str), 1, data);
}
@ -1089,7 +1089,7 @@ void expr_fprint(struct expr *e, FILE *out)
expr_print(e, expr_print_file_helper, out, E_NONE);
}
static void expr_print_gstr_helper(void *data, const char *str)
static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str)
{
str_append((struct gstr*)data, str);
}

2
scripts/kconfig/lkc_proto.h
View File

@ -39,4 +39,4 @@ P(prop_get_type_name,const char *,(enum prop_type type));
/* expr.c */
P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2));
P(expr_print,void,(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken));
P(expr_print,void,(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken));

57
scripts/kconfig/qconf.cc
View File

@ -925,6 +925,8 @@ void ConfigInfoView::setShowDebug(bool b)
_showDebug = b;
if (menu)
menuInfo();
else if (sym)
symbolInfo();
emit showDebugChanged(b);
}
}
@ -943,15 +945,44 @@ void ConfigInfoView::setSource(const QString& name)
const char *p = name.latin1();
menu = NULL;
sym = NULL;
switch (p[0]) {
case 'm':
if (sscanf(p, "m%p", &menu) == 1)
struct menu *m;
if (sscanf(p, "m%p", &m) == 1 && menu != m) {
menu = m;
menuInfo();
}
break;
case 's':
struct symbol *s;
if (sscanf(p, "s%p", &s) == 1 && sym != s) {
sym = s;
symbolInfo();
}
break;
}
}
void ConfigInfoView::symbolInfo(void)
{
QString str;
str += "<big>Symbol: <b>";
str += print_filter(sym->name);
str += "</b></big><br><br>value: ";
str += print_filter(sym_get_string_value(sym));
str += "<br>visibility: ";
str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
str += "<br>";
str += debug_info(sym);
setText(str);
}
void ConfigInfoView::menuInfo(void)
{
struct symbol* sym;
@ -965,12 +996,20 @@ void ConfigInfoView::menuInfo(void)
head += "</b></big>";
if (sym->name) {
head += " (";
if (showDebug())
head += QString().sprintf("<a href=\"s%p\">", sym);
head += print_filter(sym->name);
if (showDebug())
head += "</a>";
head += ")";
}
} else if (sym->name) {
head += "<big><b>";
if (showDebug())
head += QString().sprintf("<a href=\"s%p\">", sym);
head += print_filter(sym->name);
if (showDebug())
head += "</a>";
head += "</b></big>";
}
head += "<br><br>";
@ -1015,9 +1054,9 @@ QString ConfigInfoView::debug_info(struct symbol *sym)
switch (prop->type) {
case P_PROMPT:
case P_MENU:
debug += "prompt: ";
debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
debug += print_filter(_(prop->text));
debug += "<br>";
debug += "</a><br>";
break;
case P_DEFAULT:
debug += "default: ";
@ -1088,9 +1127,17 @@ QString ConfigInfoView::print_filter(const QString &str)
return res;
}
void ConfigInfoView::expr_print_help(void *data, const char *str)
void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
{
reinterpret_cast<QString*>(data)->append(print_filter(str));
QString* text = reinterpret_cast<QString*>(data);
QString str2 = print_filter(str);
if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
*text += QString().sprintf("<a href=\"s%p\">", sym);
*text += str2;
*text += "</a>";
} else
*text += str2;
}
QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)

4
scripts/kconfig/qconf.h
View File

@ -260,13 +260,15 @@ signals:
void showDebugChanged(bool);
protected:
void symbolInfo(void);
void menuInfo(void);
QString debug_info(struct symbol *sym);
static QString print_filter(const QString &str);
static void expr_print_help(void *data, const char *str);
static void expr_print_help(void *data, struct symbol *sym, const char *str);
QPopupMenu* createPopupMenu(const QPoint& pos);
void contentsContextMenuEvent(QContextMenuEvent *e);
struct symbol *sym;
struct menu *menu;
bool _showDebug;
};