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1 | package be.nikiroo.jvcard.tui; |
2 | ||
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3 | import java.text.Normalizer; |
4 | import java.text.Normalizer.Form; | |
5 | import java.util.regex.Pattern; | |
6 | ||
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7 | import com.googlecode.lanterna.gui2.LinearLayout.Alignment; |
8 | ||
9 | public class StringUtils { | |
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10 | static private Pattern marks = Pattern |
11 | .compile("[\\p{InCombiningDiacriticalMarks}\\p{IsLm}\\p{IsSk}]+"); | |
a3b510ab | 12 | |
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13 | /** |
14 | * Fix the size of the given {@link String} either with space-padding or by | |
15 | * shortening it. | |
16 | * | |
17 | * @param text | |
18 | * the {@link String} to fix | |
19 | * @param width | |
20 | * the size of the resulting {@link String} if the text fits or | |
21 | * if cut is TRUE | |
22 | * | |
23 | * @return the resulting {@link String} of size <i>size</i> | |
24 | */ | |
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25 | static public String padString(String text, int width) { |
26 | return padString(text, width, true, Alignment.Beginning); | |
27 | } | |
28 | ||
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29 | /** |
30 | * Fix the size of the given {@link String} either with space-padding or by | |
31 | * optionally shortening it. | |
32 | * | |
33 | * @param text | |
34 | * the {@link String} to fix | |
35 | * @param width | |
36 | * the size of the resulting {@link String} if the text fits or | |
37 | * if cut is TRUE | |
38 | * @param cut | |
39 | * cut the {@link String} shorter if needed | |
40 | * @param align | |
41 | * align the {@link String} in this position if we have enough | |
42 | * space | |
43 | * | |
44 | * @return the resulting {@link String} of size <i>size</i> minimum | |
45 | */ | |
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46 | static public String padString(String text, int width, boolean cut, |
47 | Alignment align) { | |
48 | ||
49 | if (width >= 0) { | |
50 | if (text == null) | |
51 | text = ""; | |
52 | ||
53 | int diff = width - text.length(); | |
54 | ||
55 | if (diff < 0) { | |
56 | if (cut) | |
57 | text = text.substring(0, width); | |
58 | } else if (diff > 0) { | |
59 | if (diff < 2 && align != Alignment.End) | |
60 | align = Alignment.Beginning; | |
61 | ||
62 | switch (align) { | |
63 | case Beginning: | |
64 | text = text + new String(new char[diff]).replace('\0', ' '); | |
65 | break; | |
66 | case End: | |
67 | text = new String(new char[diff]).replace('\0', ' ') + text; | |
68 | break; | |
69 | case Center: | |
70 | case Fill: | |
71 | default: | |
72 | int pad1 = (diff) / 2; | |
73 | int pad2 = (diff + 1) / 2; | |
74 | text = new String(new char[pad1]).replace('\0', ' ') + text | |
75 | + new String(new char[pad2]).replace('\0', ' '); | |
76 | break; | |
77 | } | |
78 | } | |
79 | } | |
80 | ||
81 | return text; | |
82 | } | |
83 | ||
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84 | /** |
85 | * Sanitise the given input to make it more Terminal-friendly by removing | |
86 | * combining characters. | |
87 | * | |
88 | * @param input | |
89 | * the input to sanitise | |
90 | * @param allowUnicode | |
91 | * allow Unicode or only allow ASCII Latin characters | |
92 | * | |
93 | * @return the sanitised {@link String} | |
94 | */ | |
95 | static public String sanitize(String input, boolean allowUnicode) { | |
96 | return sanitize(input, allowUnicode, !allowUnicode); | |
97 | } | |
98 | ||
99 | /** | |
100 | * Sanitise the given input to make it more Terminal-friendly by removing | |
101 | * combining characters. | |
102 | * | |
103 | * @param input | |
104 | * the input to sanitise | |
105 | * @param allowUnicode | |
106 | * allow Unicode or only allow ASCII Latin characters | |
107 | * @param removeAllAccents | |
108 | * TRUE to replace all accentuated characters by their non | |
109 | * accentuated counter-parts | |
110 | * | |
111 | * @return the sanitised {@link String} | |
112 | */ | |
113 | static public String sanitize(String input, boolean allowUnicode, | |
114 | boolean removeAllAccents) { | |
115 | ||
116 | if (removeAllAccents) { | |
117 | input = Normalizer.normalize(input, Form.NFKD); | |
118 | input = marks.matcher(input).replaceAll(""); | |
119 | } | |
120 | ||
121 | input = Normalizer.normalize(input, Form.NFKC); | |
122 | ||
123 | if (!allowUnicode) { | |
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124 | StringBuilder builder = new StringBuilder(); |
125 | for (int index = 0; index < input.length(); index++) { | |
126 | char car = input.charAt(index); | |
127 | // displayable chars in ASCII are in the range 32<->255, | |
128 | // except DEL (127) | |
129 | if (car >= 32 && car <= 255 && car != 127) { | |
130 | builder.append(car); | |
131 | } | |
132 | } | |
133 | input = builder.toString(); | |
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134 | } |
135 | ||
136 | return input; | |
137 | } | |
a3b510ab | 138 | } |