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ImStrv: standardized code doing format copy, optimized ImStrStr
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parent
11083874bc
commit
973806fe6b
21
imgui.cpp
21
imgui.cpp
@ -1639,22 +1639,19 @@ const char* ImStristr(const char* haystack, const char* haystack_end, const char
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return NULL;
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}
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// FIXME-IMSTR: probably unneeded.
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const char* ImStrstr(ImStrv haystack, ImStrv needle)
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{
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const char un0 = (char)*needle.Begin;
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while ((!haystack.End && *haystack.Begin) || (haystack.End && haystack.Begin < haystack.End))
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const char* p = haystack.Begin;
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const size_t needle_len_m1 = needle.length() - 1;
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while (true)
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{
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if (*haystack.Begin == un0)
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{
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const char* b = needle.Begin + 1;
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for (const char* a = haystack.Begin + 1; b < needle.End; a++, b++)
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if (*a != *b)
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break;
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if (b == needle.End)
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return haystack.Begin;
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}
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haystack.Begin++;
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p = (const char*)memchr(p, un0, haystack.End - p);
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if (p == NULL || (size_t)(haystack.End - p) - 1u < needle_len_m1)
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return NULL;
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if (needle_len_m1 == 0 || memcmp(p + 1, needle.Begin + 1, needle_len_m1) == 0)
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return p;
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p += 1;
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}
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return NULL;
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}
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@ -2351,16 +2351,22 @@ bool ImGui::DragScalar(ImStrv label, ImGuiDataType data_type, void* p_data, floa
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return false;
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// FIXME-IMSTR
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char format_0[64]; // format may not end with \0
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const char* format = format_0;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_0));
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ImStrncpy(format_0, format_p, IM_ARRAYSIZE(format_0));
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// Default format string when passing NULL
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const char* format;
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char format_buf[64];
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if (!format_p)
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{
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// Default format string when passing NULL
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format = DataTypeGetInfo(data_type)->PrintFmt;
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else if (data_type == ImGuiDataType_S32 && ImStrcmp(format_p, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
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format = PatchFormatStringFloatToInt(format);
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}
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else
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{
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// Copy format string (format may not be zero-terminated)
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format = format_buf;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_buf));
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ImStrncpy(format_buf, format_p, IM_ARRAYSIZE(format_buf));
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if (data_type == ImGuiDataType_S32 && ImStrcmp(format_p, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
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format = PatchFormatStringFloatToInt(format);
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}
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// Tabbing or CTRL-clicking on Drag turns it into an InputText
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const bool hovered = ItemHoverable(frame_bb, id);
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@ -2977,16 +2983,19 @@ bool ImGui::SliderScalar(ImStrv label, ImGuiDataType data_type, void* p_data, co
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return false;
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// FIXME-IMSTR
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char format_0[64]; // format may not end with \0
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const char* format = format_0;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_0));
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// Default format string when passing NULL
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const char* format;
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char format_buf[64];
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if (!format_p)
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{
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// Default format string when passing NULL
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format = DataTypeGetInfo(data_type)->PrintFmt;
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}
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else
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{
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ImStrncpy(format_0, format_p, IM_ARRAYSIZE(format_0));
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// Copy format string (format may not be zero-terminated)
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format = format_buf;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_buf));
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ImStrncpy(format_buf, format_p, IM_ARRAYSIZE(format_buf));
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if (data_type == ImGuiDataType_S32 && ImStrcmp(format_p, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
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format = PatchFormatStringFloatToInt(format);
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}
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@ -3150,16 +3159,19 @@ bool ImGui::VSliderScalar(ImStrv label, const ImVec2& size, ImGuiDataType data_t
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return false;
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// FIXME-IMSTR
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char format_0[64]; // format may not end with \0
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const char* format = format_0;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_0));
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// Default format string when passing NULL
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const char* format;
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char format_buf[64];
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if (!format_p)
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{
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// Default format string when passing NULL
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format = DataTypeGetInfo(data_type)->PrintFmt;
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}
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else
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{
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ImStrncpy(format_0, format_p, IM_ARRAYSIZE(format_0));
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// Copy format string (format may not be zero-terminated)
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format = format_buf;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_buf));
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ImStrncpy(format_buf, format_p, IM_ARRAYSIZE(format_buf));
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if (data_type == ImGuiDataType_S32 && ImStrcmp(format_p, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
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format = PatchFormatStringFloatToInt(format);
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}
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@ -3401,13 +3413,20 @@ bool ImGui::InputScalar(ImStrv label, ImGuiDataType data_type, void* p_data, con
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ImGuiStyle& style = g.Style;
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// FIXME-IMSTR
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char format_0[64]; // format may not end with \0
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const char* format = format_0;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_0));
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ImStrncpy(format_0, format_p, IM_ARRAYSIZE(format_0));
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const char* format;
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char format_buf[64];
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if (!format_p)
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{
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// Default format string when passing NULL
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format = DataTypeGetInfo(data_type)->PrintFmt;
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}
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else
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{
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// Copy format string (format may not be zero-terminated)
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format = format_buf;
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IM_ASSERT(format_p.End - format_p.Begin < IM_ARRAYSIZE(format_buf));
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ImStrncpy(format_buf, format_p, IM_ARRAYSIZE(format_buf));
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}
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char buf[64];
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DataTypeFormatString(buf, IM_ARRAYSIZE(buf), data_type, p_data, format);
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