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37 :
38 : /* keywords used within CSS property values */
39 :
40 : #include "nsCSSKeywords.h"
41 : #include "nsString.h"
42 : #include "nsStaticNameTable.h"
43 : #include "nsReadableUtils.h"
44 : #include "nsStyleConsts.h"
45 :
46 : // required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it
47 : extern const char* const kCSSRawKeywords[];
48 :
49 : // define an array of all CSS keywords
50 : #define CSS_KEY(_name,_id) #_name,
51 : const char* const kCSSRawKeywords[] = {
52 : #include "nsCSSKeywordList.h"
53 : };
54 : #undef CSS_KEY
55 :
56 : static PRInt32 gTableRefCount;
57 : static nsStaticCaseInsensitiveNameTable* gKeywordTable;
58 :
59 : void
60 1404 : nsCSSKeywords::AddRefTable(void)
61 : {
62 1404 : if (0 == gTableRefCount++) {
63 1404 : NS_ASSERTION(!gKeywordTable, "pre existing array!");
64 1404 : gKeywordTable = new nsStaticCaseInsensitiveNameTable();
65 1404 : if (gKeywordTable) {
66 : #ifdef DEBUG
67 : {
68 : // let's verify the table...
69 1404 : PRInt32 index = 0;
70 777816 : for (; index < eCSSKeyword_COUNT && kCSSRawKeywords[index]; ++index) {
71 1552824 : nsCAutoString temp1(kCSSRawKeywords[index]);
72 1552824 : nsCAutoString temp2(kCSSRawKeywords[index]);
73 776412 : ToLowerCase(temp1);
74 776412 : NS_ASSERTION(temp1.Equals(temp2), "upper case char in table");
75 776412 : NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table");
76 : }
77 1404 : NS_ASSERTION(index == eCSSKeyword_COUNT, "kCSSRawKeywords and eCSSKeyword_COUNT are out of sync");
78 : }
79 : #endif
80 1404 : gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT);
81 : }
82 : }
83 1404 : }
84 :
85 : void
86 1403 : nsCSSKeywords::ReleaseTable(void)
87 : {
88 1403 : if (0 == --gTableRefCount) {
89 1403 : if (gKeywordTable) {
90 1403 : delete gKeywordTable;
91 1403 : gKeywordTable = nsnull;
92 : }
93 : }
94 1403 : }
95 :
96 : nsCSSKeyword
97 0 : nsCSSKeywords::LookupKeyword(const nsACString& aKeyword)
98 : {
99 0 : NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
100 0 : if (gKeywordTable) {
101 0 : return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
102 : }
103 0 : return eCSSKeyword_UNKNOWN;
104 : }
105 :
106 : nsCSSKeyword
107 0 : nsCSSKeywords::LookupKeyword(const nsAString& aKeyword)
108 : {
109 0 : NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
110 0 : if (gKeywordTable) {
111 0 : return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
112 : }
113 0 : return eCSSKeyword_UNKNOWN;
114 : }
115 :
116 : const nsAFlatCString&
117 0 : nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword)
118 : {
119 0 : NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
120 0 : NS_ASSERTION(0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "out of range");
121 0 : if (gKeywordTable) {
122 0 : return gKeywordTable->GetStringValue(PRInt32(aKeyword));
123 : } else {
124 0 : static nsDependentCString kNullStr("");
125 0 : return kNullStr;
126 : }
127 : }
128 :
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