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| author | Steven Le Rouzic <steven.lerouzic@gmail.com> | 2024-10-10 23:38:35 +0200 |
|---|---|---|
| committer | Steven Le Rouzic <steven.lerouzic@gmail.com> | 2024-12-20 15:35:58 +0100 |
| commit | e020805cb140ed98d09e606a867b910fce78ad15 (patch) | |
| tree | 08e79fbfa9e799b15f170bdeb198c2ba19287189 /asl/format.cpp | |
| parent | 8dfd173285df515fe9b41d970321da9d049460f8 (diff) | |
Integers formatting
Diffstat (limited to 'asl/format.cpp')
| -rw-r--r-- | asl/format.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/asl/format.cpp b/asl/format.cpp index 4866562..eb653e9 100644 --- a/asl/format.cpp +++ b/asl/format.cpp @@ -1,4 +1,6 @@ #include "asl/format.hpp"
+#include "asl/utility.hpp"
+#include "asl/assert.hpp"
void asl::format_internals::format(
writer* writer,
@@ -67,3 +69,119 @@ void asl::format_internals::format( f.write(begin, fmt - begin);
}
+
+void asl::AslFormat(formatter& f, float)
+{
+ f.write("<FLOAT>", 7); // @Todo Float formatting
+}
+
+void asl::AslFormat(formatter& f, double)
+{
+ f.write("<DOUBLE>", 8); // @Todo Float formatting
+}
+
+void asl::AslFormat(formatter& f, uint8_t v)
+{
+ AslFormat(f, static_cast<uint64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, uint16_t v)
+{
+ AslFormat(f, static_cast<uint64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, uint32_t v)
+{
+ AslFormat(f, static_cast<uint64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, uint64_t v)
+{
+ static constexpr char pairs[] = {
+ '0', '0', '0', '1', '0', '2', '0', '3', '0', '4',
+ '0', '5', '0', '6', '0', '7', '0', '8', '0', '9',
+ '1', '0', '1', '1', '1', '2', '1', '3', '1', '4',
+ '1', '5', '1', '6', '1', '7', '1', '8', '1', '9',
+ '2', '0', '2', '1', '2', '2', '2', '3', '2', '4',
+ '2', '5', '2', '6', '2', '7', '2', '8', '2', '9',
+ '3', '0', '3', '1', '3', '2', '3', '3', '3', '4',
+ '3', '5', '3', '6', '3', '7', '3', '8', '3', '9',
+ '4', '0', '4', '1', '4', '2', '4', '3', '4', '4',
+ '4', '5', '4', '6', '4', '7', '4', '8', '4', '9',
+ '5', '0', '5', '1', '5', '2', '5', '3', '5', '4',
+ '5', '5', '5', '6', '5', '7', '5', '8', '5', '9',
+ '6', '0', '6', '1', '6', '2', '6', '3', '6', '4',
+ '6', '5', '6', '6', '6', '7', '6', '8', '6', '9',
+ '7', '0', '7', '1', '7', '2', '7', '3', '7', '4',
+ '7', '5', '7', '6', '7', '7', '7', '8', '7', '9',
+ '8', '0', '8', '1', '8', '2', '8', '3', '8', '4',
+ '8', '5', '8', '6', '8', '7', '8', '8', '8', '9',
+ '9', '0', '9', '1', '9', '2', '9', '3', '9', '4',
+ '9', '5', '9', '6', '9', '7', '9', '8', '9', '9',
+ };
+
+ static constexpr int32_t kMaxDigits = 20;
+ char buffer[kMaxDigits];
+ int32_t cursor = kMaxDigits;
+
+ auto write_two = [&buffer, &cursor](const char* str)
+ {
+ ASL_ASSERT(cursor >= 2);
+ buffer[--cursor] = str[1];
+ buffer[--cursor] = str[0];
+ };
+
+ auto write_one = [&buffer, &cursor](char c)
+ {
+ ASL_ASSERT(cursor >= 1);
+ buffer[--cursor] = c;
+ };
+
+ while (v >= 100)
+ {
+ uint64_t x = v % 100;
+ v /= 100;
+ write_two(pairs + x * 2);
+ }
+
+ if (v >= 10)
+ {
+ write_two(pairs + v * 2);
+ }
+ else if (v > 0 || cursor == kMaxDigits)
+ {
+ ASL_ASSERT(v < 10);
+ write_one('0' + (char)v);
+ }
+
+ f.write(buffer + cursor, kMaxDigits - cursor);
+}
+
+void asl::AslFormat(formatter& f, int8_t v)
+{
+ AslFormat(f, static_cast<int64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, int16_t v)
+{
+ AslFormat(f, static_cast<int64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, int32_t v)
+{
+ AslFormat(f, static_cast<int64_t>(v));
+}
+
+void asl::AslFormat(formatter& f, int64_t v)
+{
+ if (v < 0)
+ {
+ f.write("-", 1);
+ uint64_t absolute_value = ~(bit_cast<uint64_t>(v) - 1);
+ AslFormat(f, absolute_value);
+ }
+ else
+ {
+ AslFormat(f, static_cast<uint64_t>(v));
+ }
+}
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