ImGuiTextFilter, TextRange: removed cruft from TextRange since it's not a publicly and generic helper at the moment + marked internal stuff + changed a reference to a pointer. (#1879)

This commit is contained in:
omar 2018-07-19 15:22:18 +02:00
parent d016ef1825
commit 048add5ef2
2 changed files with 25 additions and 24 deletions

View File

@ -1833,37 +1833,41 @@ bool ImGuiTextFilter::Draw(const char* label, float width)
return value_changed;
}
void ImGuiTextFilter::TextRange::split(char separator, ImVector<TextRange>& out)
void ImGuiTextFilter::TextRange::split(char separator, ImVector<TextRange>* out) const
{
out.resize(0);
out->resize(0);
const char* wb = b;
const char* we = wb;
while (we < e)
{
if (*we == separator)
{
out.push_back(TextRange(wb, we));
out->push_back(TextRange(wb, we));
wb = we + 1;
}
we++;
}
if (wb != we)
out.push_back(TextRange(wb, we));
out->push_back(TextRange(wb, we));
}
void ImGuiTextFilter::Build()
{
Filters.resize(0);
TextRange input_range(InputBuf, InputBuf+strlen(InputBuf));
input_range.split(',', Filters);
input_range.split(',', &Filters);
CountGrep = 0;
for (int i = 0; i != Filters.Size; i++)
{
Filters[i].trim_blanks();
if (Filters[i].empty())
TextRange& f = Filters[i];
while (f.b < f.e && ImCharIsBlankA(f.b[0]))
f.b++;
while (f.e > f.b && ImCharIsBlankA(f.e[-1]))
f.e--;
if (f.empty())
continue;
if (Filters[i].front() != '-')
if (Filters[i].b[0] != '-')
CountGrep += 1;
}
}
@ -1881,7 +1885,7 @@ bool ImGuiTextFilter::PassFilter(const char* text, const char* text_end) const
const TextRange& f = Filters[i];
if (f.empty())
continue;
if (f.front() == '-')
if (f.b[0] == '-')
{
// Subtract
if (ImStristr(text, text_end, f.begin()+1, f.end()) != NULL)

23
imgui.h
View File

@ -1309,6 +1309,14 @@ struct ImGuiOnceUponAFrame
// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
struct ImGuiTextFilter
{
IMGUI_API ImGuiTextFilter(const char* default_filter = "");
IMGUI_API bool Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f); // Helper calling InputText+Build
IMGUI_API bool PassFilter(const char* text, const char* text_end = NULL) const;
IMGUI_API void Build();
void Clear() { InputBuf[0] = 0; Build(); }
bool IsActive() const { return !Filters.empty(); }
// [Internal]
struct TextRange
{
const char* b;
@ -1317,24 +1325,13 @@ struct ImGuiTextFilter
TextRange() { b = e = NULL; }
TextRange(const char* _b, const char* _e) { b = _b; e = _e; }
const char* begin() const { return b; }
const char* end() const { return e; }
const char* end () const { return e; }
bool empty() const { return b == e; }
char front() const { return *b; }
static bool is_blank(char c) { return c == ' ' || c == '\t'; }
void trim_blanks() { while (b < e && is_blank(*b)) b++; while (e > b && is_blank(*(e-1))) e--; }
IMGUI_API void split(char separator, ImVector<TextRange>& out);
IMGUI_API void split(char separator, ImVector<TextRange>* out) const;
};
char InputBuf[256];
ImVector<TextRange> Filters;
int CountGrep;
IMGUI_API ImGuiTextFilter(const char* default_filter = "");
IMGUI_API bool Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f); // Helper calling InputText+Build
IMGUI_API bool PassFilter(const char* text, const char* text_end = NULL) const;
IMGUI_API void Build();
void Clear() { InputBuf[0] = 0; Build(); }
bool IsActive() const { return !Filters.empty(); }
};
// Helper: Text buffer for logging/accumulating text