static void StartMultiplierBuilder(ViBuilderContext ctx, ViBuilder nextBuilder)
{
int factor = 1;
int multiplier = 0;
ctx.Builder = (ViBuilderContext x) => {
int c = (int)x.LastKey.Char;
if (c >= (int)'0' && c <= (int)'9')
{
//don't eat '0' if not preceded by non-zero digit
//pass on to interpret as goto line start
if (c == (int)'0' && factor == 1)
{
ctx.Multiplier *= multiplier;
ctx.Builder = nextBuilder;
return(ctx.Builder(ctx));
}
int d = c - (int)'0';
multiplier = multiplier * factor + d;
factor *= 10;
return(true);
}
else
{
ctx.Multiplier *= multiplier;
ctx.Builder = nextBuilder;
return(ctx.Builder(ctx));
}
};
ctx.Builder(ctx);
}
public bool Builder(ViBuilderContext ctx)
{
Action <ViEditor> a;
if (actions.TryGetValue(ctx.LastKey, out a))
{
ctx.RunAction(a);
return(true);
}
else
{
BuilderAction b;
if (builders.TryGetValue(ctx.LastKey, out b))
{
ctx.Builder = b.Builder;
if (b.RunInstantly)
{
ctx.Builder(ctx);
}
return(true);
}
}
return(false);
}
static void StartMultiplierBuilder(ViBuilderContext ctx, ViBuilder nextBuilder)
{
int factor = 1;
int multiplier = 0;
ctx.Builder = (ViBuilderContext x) => {
int c = (int)x.LastKey.Char;
if (c >= (int)'0' && c <= (int)'9') {
//don't eat '0' if not preceded by non-zero digit
//pass on to interpret as goto line start
if (c == (int)'0' && factor == 1) {
ctx.Multiplier *= multiplier;
ctx.Builder = nextBuilder;
return ctx.Builder (ctx);
}
int d = c - (int)'0';
multiplier = multiplier * factor + d;
factor *= 10;
return true;
} else {
ctx.Multiplier *= multiplier;
ctx.Builder = nextBuilder;
return ctx.Builder (ctx);
}
};
ctx.Builder (ctx);
}