Remove autogenerated code to recognize supported features

This function is rarely called so the performance improvement
from the autogenerated code is not worth the difficult to
maintain code.

Change-Id: I825e41180577d0245d41a13761d5823ef54941fe
Reviewed-by: Hatem ElKharashy <hatem.elkharashy@qt.io>

1 files changed, 22 insertions, 143 deletions

diff --git a/src/svg/qsvgstructure.cpp b/src/svg/qsvgstructure.cpp
index b729fa8..93f2f91 100644
--- a/src/svg/qsvgstructure.cpp
+++ b/src/svg/qsvgstructure.cpp
@@ -448,156 +448,35 @@ QSvgNode::Type QSvgFilterContainer::type() const
     return Filter;
 }
 
-/*
-  Below is a lookup function based on the gperf output using the following set:
-
-  http://www.w3.org/Graphics/SVG/feature/1.2/#SVG
-  http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static
-  http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Structure
-  http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing
-  http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Image
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Shape
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Text
-  http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient
-  http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor
-  http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Font
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking
-  http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility
-*/
-
-// ----- begin of generated code -----
-
-/* C code produced by gperf version 3.0.2 */
-/* Command-line: gperf -c -L c svg  */
-/* Computed positions: -k'45-46' */
-
-#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
-      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
-      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
-      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
-      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
-      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
-      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
-      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
-      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
-      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
-      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
-      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
-      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
-      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
-      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
-      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
-      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
-      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
-      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
-      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
-      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
-      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
-      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
-/* The character set is not based on ISO-646.  */
-#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
-#endif
-
-enum {
-    TOTAL_KEYWORDS = 20,
-    MIN_WORD_LENGTH = 47,
-    MAX_WORD_LENGTH = 78,
-    MIN_HASH_VALUE = 48,
-    MAX_HASH_VALUE = 88
-};
-/* maximum key range = 41, duplicates = 0 */
 
 inline static bool isSupportedSvgFeature(const QString &str)
 {
-    static const unsigned char asso_values[] = {
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89,  0, 89,  5,
-        15,  5,  0, 10, 89, 89, 89, 89, 89,  0,
-        15, 89, 89,  0,  0, 89,  5, 89,  0, 89,
-        89, 89, 89, 89, 89, 89, 89,  0, 89, 89,
-        89,  0, 89, 89,  0, 89, 89, 89,  0,  5,
-        89,  0,  0, 89,  5, 89,  0, 89, 89, 89,
-        5,  0, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-        89, 89, 89, 89, 89, 89
+    static const QStringList wordList = {
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Text"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Shape"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#SVG"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Structure"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Font"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Image"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute"),
+        QStringLiteral("http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute")
     };
 
-    static const char * wordlist[] = {
-        "", "", "", "", "", "", "", "", "",
-        "", "", "", "", "", "", "", "", "",
-        "", "", "", "", "", "", "", "", "",
-        "", "", "", "", "", "", "", "", "",
-        "", "", "", "", "", "", "", "", "",
-        "", "", "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Text",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Shape",
-        "", "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Structure",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor",
-        "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute",
-        "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Font",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Image",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing",
-        "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility",
-        "", "", "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute",
-        "", "", "", "", "", "", "", "", "",
-        "", "", "", "",
-        "http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute"
-    };
-
-    if (str.size() <= MAX_WORD_LENGTH && str.size() >= MIN_WORD_LENGTH) {
-        const char16_t unicode44 = str.at(44).unicode();
-        const char16_t unicode45 = str.at(45).unicode();
-        if (unicode44 >= sizeof(asso_values) || unicode45 >= sizeof(asso_values))
-            return false;
-        const int key = str.size()
-                        + asso_values[unicode45]
-                        + asso_values[unicode44];
-        if (key <= MAX_HASH_VALUE && key >= 0)
-            return str == QLatin1String(wordlist[key]);
-    }
-    return false;
+    return wordList.contains(str);
 }
 
-// ----- end of generated code -----
-
 static inline bool isSupportedSvgExtension(const QString &)
 {
     return false;