Line | |
---|
1 | // Copyright Benoit Blanchon 2014-2016
|
---|
2 | // MIT License
|
---|
3 | //
|
---|
4 | // Arduino JSON library
|
---|
5 | // https://github.com/bblanchon/ArduinoJson
|
---|
6 | // If you like this project, please add a star!
|
---|
7 |
|
---|
8 | #pragma once
|
---|
9 |
|
---|
10 | #include "../Arduino/Print.hpp"
|
---|
11 |
|
---|
12 | namespace ArduinoJson {
|
---|
13 | namespace Internals {
|
---|
14 |
|
---|
15 | // Decorator on top of Print to allow indented output.
|
---|
16 | // This class is used by JsonPrintable::prettyPrintTo() but can also be used
|
---|
17 | // for your own purpose, like logging.
|
---|
18 | class IndentedPrint : public Print {
|
---|
19 | public:
|
---|
20 | explicit IndentedPrint(Print &p) : sink(&p) {
|
---|
21 | level = 0;
|
---|
22 | tabSize = 2;
|
---|
23 | isNewLine = true;
|
---|
24 | }
|
---|
25 |
|
---|
26 | virtual size_t write(uint8_t);
|
---|
27 |
|
---|
28 | // Adds one level of indentation
|
---|
29 | void indent() {
|
---|
30 | if (level < MAX_LEVEL) level++;
|
---|
31 | }
|
---|
32 |
|
---|
33 | // Removes one level of indentation
|
---|
34 | void unindent() {
|
---|
35 | if (level > 0) level--;
|
---|
36 | }
|
---|
37 |
|
---|
38 | // Set the number of space printed for each level of indentation
|
---|
39 | void setTabSize(uint8_t n) {
|
---|
40 | if (n < MAX_TAB_SIZE) tabSize = n & MAX_TAB_SIZE;
|
---|
41 | }
|
---|
42 |
|
---|
43 | private:
|
---|
44 | Print *sink;
|
---|
45 | uint8_t level : 4;
|
---|
46 | uint8_t tabSize : 3;
|
---|
47 | bool isNewLine : 1;
|
---|
48 |
|
---|
49 | size_t writeTabs();
|
---|
50 |
|
---|
51 | static const int MAX_LEVEL = 15; // because it's only 4 bits
|
---|
52 | static const int MAX_TAB_SIZE = 7; // because it's only 3 bits
|
---|
53 | };
|
---|
54 | }
|
---|
55 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.