[PATCH 16/19] kconfig: create links in info window

From: Roman Zippel
Date: Sun Apr 09 2006 - 11:31:46 EST



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@xxxxxxxxxxxxxx>

---

scripts/kconfig/expr.c | 50 +++++++++++++++++++-------------------
scripts/kconfig/lkc_proto.h | 2 -
scripts/kconfig/qconf.cc | 57 ++++++++++++++++++++++++++++++++++++++++----
scripts/kconfig/qconf.h | 4 ++-
4 files changed, 81 insertions(+), 32 deletions(-)

Index: linux-2.6-git/scripts/kconfig/expr.c
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/expr.c
+++ linux-2.6-git/scripts/kconfig/expr.c
@@ -1013,73 +1013,73 @@ int expr_compare_type(enum expr_type t1,
#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 *o
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);
}
Index: linux-2.6-git/scripts/kconfig/lkc_proto.h
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/lkc_proto.h
+++ linux-2.6-git/scripts/kconfig/lkc_proto.h
@@ -39,4 +39,4 @@ P(prop_get_type_name,const char *,(enum

/* 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));
Index: linux-2.6-git/scripts/kconfig/qconf.cc
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/qconf.cc
+++ linux-2.6-git/scripts/kconfig/qconf.cc
@@ -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 QSt
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(struc
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(con
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)
Index: linux-2.6-git/scripts/kconfig/qconf.h
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/qconf.h
+++ linux-2.6-git/scripts/kconfig/qconf.h
@@ -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;
};
-
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