1 //===-- Format specifier converter implmentation for printf -----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/stdio/printf_core/converter.h"
10 
11 #include "src/stdio/printf_core/core_structs.h"
12 #include "src/stdio/printf_core/writer.h"
13 
14 // This option allows for replacing all of the conversion functions with custom
15 // replacements. This allows conversions to be replaced at compile time.
16 #ifndef LLVM_LIBC_PRINTF_CONV_ATLAS
17 #include "src/stdio/printf_core/converter_atlas.h"
18 #else
19 #include LLVM_LIBC_PRINTF_CONV_ATLAS
20 #endif
21 
22 #include <stddef.h>
23 
24 namespace __llvm_libc {
25 namespace printf_core {
26 
27 void convert(Writer *writer, const FormatSection &to_conv) {
28   if (!to_conv.has_conv) {
29     writer->write(to_conv.raw_string, to_conv.raw_len);
30     return;
31   }
32   switch (to_conv.conv_name) {
33   case '%':
34     writer->write("%", 1);
35     return;
36   case 'c':
37     convert_char(writer, to_conv);
38     return;
39   case 's':
40     convert_string(writer, to_conv);
41     return;
42   case 'd':
43   case 'i':
44   case 'u':
45     // convert_int(writer, to_conv);
46     return;
47   case 'o':
48     // convert_oct(writer, to_conv);
49     return;
50   case 'x':
51   case 'X':
52     // convert_hex(writer, to_conv);
53     return;
54   // TODO(michaelrj): add a flag to disable float point values here
55   case 'f':
56   case 'F':
57     // convert_float_decimal(writer, to_conv);
58     return;
59   case 'e':
60   case 'E':
61     // convert_float_dec_exp(writer, to_conv);
62     return;
63   case 'a':
64   case 'A':
65     // convert_float_hex_exp(writer, to_conv);
66     return;
67   case 'g':
68   case 'G':
69     // convert_float_mixed(writer, to_conv);
70     return;
71   // TODO(michaelrj): add a flag to disable writing an int here
72   case 'n':
73     // convert_write_int(writer, to_conv);
74     return;
75   case 'p':
76     // convert_pointer(writer, to_conv);
77     return;
78   default:
79     writer->write(to_conv.raw_string, to_conv.raw_len);
80     return;
81   }
82 }
83 
84 } // namespace printf_core
85 } // namespace __llvm_libc
86