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1
47
48 package com.lowagie.text.html.simpleparser;
49
50 import java.util.ArrayList  ;
51 import java.util.HashMap ;
52
53 public class ChainedProperties {
54
55 public final static int fontSizes[] = {8, 10, 12, 14, 18, 24, 36};
56 public ArrayList chain = new ArrayList ();
57
58
59 public ChainedProperties() {
60 }
61
62 public String getProperty(String key) {
63 for (int k = chain.size() - 1; k >= 0; --k) {
64 Object obj[] = (Object [])chain.get(k);
65 HashMap prop = (HashMap )obj[1];
66 String ret = (String )prop.get(key);
67 if (ret != null)
68 return ret;
69 }
70 return null;
71 }
72
73 public boolean hasProperty(String key) {
74 for (int k = chain.size() - 1; k >= 0; --k) {
75 Object obj[] = (Object [])chain.get(k);
76 HashMap prop = (HashMap )obj[1];
77 if (prop.containsKey(key))
78 return true;
79 }
80 return false;
81 }
82
83 public void addToChain(String key, HashMap prop) {
84 String value = (String )prop.get("size");
86 if (value != null) {
87 if (value.endsWith("px")) {
88 prop.put("size", value.substring(0, value.length() - 2));
89 }
90 else {
91 int s = 0;
92 if (value.startsWith("+") || value.startsWith("-")) {
93 String old = getProperty("basefontsize");
94 if (old == null)
95 old = "12";
96 float f = Float.parseFloat(old);
97 int c = (int)f;
98 for (int k = fontSizes.length - 1; k >= 0; --k) {
99 if (c >= fontSizes[k]) {
100 s = k;
101 break;
102 }
103 }
104 int inc = Integer.parseInt(value.startsWith("+") ? value.substring(1) : value);
105 s += inc;
106 }
107 else {
108 try {
109 s = Integer.parseInt(value) - 1;
110 }
111 catch(NumberFormatException nfe) {
112 s = 0;
113 }
114 }
115 if (s < 0)
116 s = 0;
117 else if (s >= fontSizes.length)
118 s = fontSizes.length - 1;
119 prop.put("size", Integer.toString(fontSizes[s]));
120 }
121 }
122 chain.add(new Object []{key, prop});
123 }
124
125 public void removeChain(String key) {
126 for (int k = chain.size() - 1; k >= 0; --k) {
127 if (key.equals(((Object [])chain.get(k))[0])) {
128 chain.remove(k);
129 return;
130 }
131 }
132 }
133 }
134 |
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