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1 | /**************************************************************************** | |
2 | ** | |
3 | ** Copyright (C) 2017 Intel Corporation | |
4 | ** | |
5 | ** Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | ** of this software and associated documentation files (the "Software"), to deal | |
7 | ** in the Software without restriction, including without limitation the rights | |
8 | ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | ** copies of the Software, and to permit persons to whom the Software is | |
10 | ** furnished to do so, subject to the following conditions: | |
11 | ** | |
12 | ** The above copyright notice and this permission notice shall be included in | |
13 | ** all copies or substantial portions of the Software. | |
14 | ** | |
15 | ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | ** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | ** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | ** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | ** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | ** THE SOFTWARE. | |
22 | ** | |
23 | ****************************************************************************/ | |
24 | ||
25 | #include "cbor.h" | |
26 | #include <stdarg.h> | |
27 | #include <stdio.h> | |
28 | ||
29 | static CborError cbor_fprintf(void *out, const char *fmt, ...) | |
30 | { | |
31 | int n; | |
32 | ||
33 | va_list list; | |
34 | va_start(list, fmt); | |
35 | n = vfprintf((FILE *)out, fmt, list); | |
36 | va_end(list); | |
37 | ||
38 | return n < 0 ? CborErrorIO : CborNoError; | |
39 | } | |
40 | ||
41 | /** | |
42 | * \fn CborError cbor_value_to_pretty(FILE *out, const CborValue *value) | |
43 | * | |
44 | * Converts the current CBOR type pointed to by \a value to its textual | |
45 | * representation and writes it to the \a out stream. If an error occurs, this | |
46 | * function returns an error code similar to CborParsing. | |
47 | * | |
48 | * \sa cbor_value_to_pretty_advance(), cbor_value_to_json_advance() | |
49 | */ | |
50 | ||
51 | /** | |
52 | * Converts the current CBOR type pointed to by \a value to its textual | |
53 | * representation and writes it to the \a out stream. If an error occurs, this | |
54 | * function returns an error code similar to CborParsing. | |
55 | * | |
56 | * If no error ocurred, this function advances \a value to the next element. | |
57 | * Often, concatenating the text representation of multiple elements can be | |
58 | * done by appending a comma to the output stream in between calls to this | |
59 | * function. | |
60 | * | |
61 | * \sa cbor_value_to_pretty(), cbor_value_to_pretty_stream(), cbor_value_to_json_advance() | |
62 | */ | |
63 | CborError cbor_value_to_pretty_advance(FILE *out, CborValue *value) | |
64 | { | |
65 | return cbor_value_to_pretty_stream(cbor_fprintf, out, value, CborPrettyDefaultFlags); | |
66 | } | |
67 | ||
68 | /** | |
69 | * Converts the current CBOR type pointed to by \a value to its textual | |
70 | * representation and writes it to the \a out stream. If an error occurs, this | |
71 | * function returns an error code similar to CborParsing. | |
72 | * | |
73 | * The textual representation can be controlled by the \a flags parameter (see | |
74 | * CborPrettyFlags for more information). | |
75 | * | |
76 | * If no error ocurred, this function advances \a value to the next element. | |
77 | * Often, concatenating the text representation of multiple elements can be | |
78 | * done by appending a comma to the output stream in between calls to this | |
79 | * function. | |
80 | * | |
81 | * \sa cbor_value_to_pretty_stream(), cbor_value_to_pretty(), cbor_value_to_json_advance() | |
82 | */ | |
83 | CborError cbor_value_to_pretty_advance_flags(FILE *out, CborValue *value, int flags) | |
84 | { | |
85 | return cbor_value_to_pretty_stream(cbor_fprintf, out, value, flags); | |
86 | } | |
87 |