gfx/src/nsColorNames.cpp

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  37
  38 #include "nsColorNames.h"
  39 #include "nsString.h"
  40 #include "nsStaticNameTable.h"
  41 #include "nsReadableUtils.h"
  42
  43 // define an array of all color names
  44 #define GFX_COLOR(_name, _value) #_name,
  45 const char* const kColorNames[] = {
  46 #include "nsColorNameList.h"
  47 };
  48 #undef GFX_COLOR
  49
  50 // define an array of all color name values
  51 #define GFX_COLOR(_name, _value) _value,
  52 const nscolor nsColorNames::kColors[] = {
  53 #include "nsColorNameList.h"
  54 };
  55 #undef GFX_COLOR
  56
  57 static PRInt32 gTableRefCount;
  58 static nsStaticCaseInsensitiveNameTable* gColorTable;
  59
  60 void
  61 nsColorNames::AddRefTable(void)
  62 {
  63   if (0 == gTableRefCount++) {
  64     NS_ASSERTION(!gColorTable, "pre existing array!");
  65     gColorTable = new nsStaticCaseInsensitiveNameTable();
  66     if (gColorTable) {
  67 #ifdef DEBUG
  68     {
  69       // let's verify the table...
  70       for (PRInt32 index = 0; index < eColorName_COUNT; ++index) {
  71         nsCAutoString temp1(kColorNames[index]);
  72         nsCAutoString temp2(kColorNames[index]);
  73         ToLowerCase(temp1);
  74         NS_ASSERTION(temp1.Equals(temp2), "upper case char in table");
  75       }
  76     }
  77 #endif
  78       gColorTable->Init(kColorNames, eColorName_COUNT);
  79     }
  80   }
  81 }
  82
  83 void
  84 nsColorNames::ReleaseTable(void)
  85 {
  86   if (0 == --gTableRefCount) {
  87     if (gColorTable) {
  88       delete gColorTable;
  89       gColorTable = nsnull;
  90     }
  91   }
  92 }
  93
  94 nsColorName
  95 nsColorNames::LookupName(const nsACString& aColor)
  96 {
  97   NS_ASSERTION(gColorTable, "no lookup table, needs addref");
  98   if (gColorTable) {
  99     return nsColorName(gColorTable->Lookup(aColor));
 100   }
 101   return eColorName_UNKNOWN;
 102 }
 103
 104 nsColorName
 105 nsColorNames::LookupName(const nsAString& aColor)
 106 {
 107   NS_ASSERTION(gColorTable, "no lookup table, needs addref");
 108   if (gColorTable) {
 109     return nsColorName(gColorTable->Lookup(aColor));
 110   }
 111   return eColorName_UNKNOWN;
 112 }
 113
 114 const nsAFlatCString&
 115 nsColorNames::GetStringValue(nsColorName aColor)
 116 {
 117   NS_ASSERTION(gColorTable, "no lookup table, needs addref");
 118   if (gColorTable) {
 119     return gColorTable->GetStringValue(PRInt32(aColor));
 120   } else {
 121     static nsDependentCString kNullStr("");
 122     return kNullStr;
 123   }
 124 }
 125