chore: bump scintilla and lexilla version
This commit is contained in:
336
3rdparty/lexilla545/lexilla/lexlib/WordList.cxx
vendored
Normal file
336
3rdparty/lexilla545/lexilla/lexlib/WordList.cxx
vendored
Normal file
@ -0,0 +1,336 @@
|
||||
// Scintilla source code edit control
|
||||
/** @file WordList.cxx
|
||||
** Hold a list of words.
|
||||
**/
|
||||
// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
|
||||
// The License.txt file describes the conditions under which this software may be distributed.
|
||||
|
||||
#include <cstdlib>
|
||||
#include <cassert>
|
||||
#include <cstring>
|
||||
|
||||
#include <string>
|
||||
#include <algorithm>
|
||||
#include <iterator>
|
||||
#include <memory>
|
||||
|
||||
#include "WordList.h"
|
||||
#include "CharacterSet.h"
|
||||
|
||||
using namespace Lexilla;
|
||||
|
||||
namespace {
|
||||
|
||||
/**
|
||||
* Creates an array that points into each word in the string and puts \0 terminators
|
||||
* after each word.
|
||||
*/
|
||||
std::unique_ptr<char *[]> ArrayFromWordList(char *wordlist, size_t slen, size_t *len, bool onlyLineEnds = false) {
|
||||
assert(wordlist);
|
||||
size_t words = 0;
|
||||
// For rapid determination of whether a character is a separator, build
|
||||
// a look up table.
|
||||
bool wordSeparator[256] = {}; // Initialise all to false.
|
||||
wordSeparator[static_cast<unsigned int>('\r')] = true;
|
||||
wordSeparator[static_cast<unsigned int>('\n')] = true;
|
||||
if (!onlyLineEnds) {
|
||||
wordSeparator[static_cast<unsigned int>(' ')] = true;
|
||||
wordSeparator[static_cast<unsigned int>('\t')] = true;
|
||||
}
|
||||
unsigned char prev = '\n';
|
||||
for (int j = 0; wordlist[j]; j++) {
|
||||
const unsigned char curr = wordlist[j];
|
||||
if (!wordSeparator[curr] && wordSeparator[prev])
|
||||
words++;
|
||||
prev = curr;
|
||||
}
|
||||
std::unique_ptr<char *[]> keywords = std::make_unique<char *[]>(words + 1);
|
||||
size_t wordsStore = 0;
|
||||
if (words) {
|
||||
unsigned char previous = '\0';
|
||||
for (size_t k = 0; k < slen; k++) {
|
||||
if (!wordSeparator[static_cast<unsigned char>(wordlist[k])]) {
|
||||
if (!previous) {
|
||||
keywords[wordsStore] = &wordlist[k];
|
||||
wordsStore++;
|
||||
}
|
||||
} else {
|
||||
wordlist[k] = '\0';
|
||||
}
|
||||
previous = wordlist[k];
|
||||
}
|
||||
}
|
||||
assert(wordsStore < (words + 1));
|
||||
keywords[wordsStore] = &wordlist[slen];
|
||||
*len = wordsStore;
|
||||
return keywords;
|
||||
}
|
||||
|
||||
bool cmpWords(const char *a, const char *b) noexcept {
|
||||
return strcmp(a, b) < 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
WordList::WordList(bool onlyLineEnds_) noexcept :
|
||||
words(nullptr), list(nullptr), len(0), onlyLineEnds(onlyLineEnds_) {
|
||||
// Prevent warnings by static analyzers about uninitialized starts.
|
||||
starts[0] = -1;
|
||||
}
|
||||
|
||||
WordList::~WordList() {
|
||||
Clear();
|
||||
}
|
||||
|
||||
WordList::operator bool() const noexcept {
|
||||
return len != 0;
|
||||
}
|
||||
|
||||
bool WordList::operator!=(const WordList &other) const noexcept {
|
||||
if (len != other.len)
|
||||
return true;
|
||||
for (size_t i=0; i<len; i++) {
|
||||
if (strcmp(words[i], other.words[i]) != 0)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
int WordList::Length() const noexcept {
|
||||
return static_cast<int>(len);
|
||||
}
|
||||
|
||||
void WordList::Clear() noexcept {
|
||||
delete []list;
|
||||
list = nullptr;
|
||||
delete []words;
|
||||
words = nullptr;
|
||||
len = 0;
|
||||
}
|
||||
|
||||
bool WordList::Set(const char *s, bool lowerCase) {
|
||||
const size_t lenS = strlen(s) + 1;
|
||||
std::unique_ptr<char[]> listTemp = std::make_unique<char[]>(lenS);
|
||||
memcpy(listTemp.get(), s, lenS);
|
||||
if (lowerCase) {
|
||||
for (size_t i = 0; i < lenS; i++) {
|
||||
listTemp[i] = MakeLowerCase(listTemp[i]);
|
||||
}
|
||||
}
|
||||
size_t lenTemp = 0;
|
||||
std::unique_ptr<char *[]> wordsTemp = ArrayFromWordList(listTemp.get(), lenS - 1, &lenTemp, onlyLineEnds);
|
||||
std::sort(wordsTemp.get(), wordsTemp.get() + lenTemp, cmpWords);
|
||||
|
||||
if (lenTemp == len) {
|
||||
bool changed = false;
|
||||
for (size_t i = 0; i < lenTemp; i++) {
|
||||
if (strcmp(words[i], wordsTemp[i]) != 0) {
|
||||
changed = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!changed) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Clear();
|
||||
words = wordsTemp.release();
|
||||
list = listTemp.release();
|
||||
len = lenTemp;
|
||||
std::fill(starts, std::end(starts), -1);
|
||||
for (int l = static_cast<int>(len - 1); l >= 0; l--) {
|
||||
unsigned char const indexChar = words[l][0];
|
||||
starts[indexChar] = l;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/** Check whether a string is in the list.
|
||||
* List elements are either exact matches or prefixes.
|
||||
* Prefix elements start with '^' and match all strings that start with the rest of the element
|
||||
* so '^GTK_' matches 'GTK_X', 'GTK_MAJOR_VERSION', and 'GTK_'.
|
||||
*/
|
||||
bool WordList::InList(const char *s) const noexcept {
|
||||
if (!words)
|
||||
return false;
|
||||
const char first = s[0];
|
||||
const unsigned char firstChar = first;
|
||||
int j = starts[firstChar];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == first) {
|
||||
if (s[1] == words[j][1]) {
|
||||
const char *a = words[j] + 1;
|
||||
const char *b = s + 1;
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
b++;
|
||||
}
|
||||
if (!*a && !*b)
|
||||
return true;
|
||||
}
|
||||
j++;
|
||||
}
|
||||
}
|
||||
j = starts[static_cast<unsigned int>('^')];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == '^') {
|
||||
const char *a = words[j] + 1;
|
||||
const char *b = s;
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
b++;
|
||||
}
|
||||
if (!*a)
|
||||
return true;
|
||||
j++;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/** convenience overload so can easily call with std::string.
|
||||
*/
|
||||
|
||||
bool WordList::InList(std::string_view sv) const noexcept {
|
||||
if (!words || sv.empty())
|
||||
return false;
|
||||
const char first = sv[0];
|
||||
const unsigned char firstChar = first;
|
||||
if (int j = starts[firstChar]; j >= 0) {
|
||||
const std::string_view after = sv.substr(1);
|
||||
for (; words[j][0] == first; j++) {
|
||||
if (std::string_view(words[j] + 1) == after) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (int j = starts[static_cast<unsigned int>('^')]; j >= 0) {
|
||||
for (; words[j][0] == '^';j++) {
|
||||
// Use rfind with 0 position to act like C++20 starts_with for C++17
|
||||
if (sv.rfind(words[j] + 1, 0) == 0) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/** similar to InList, but word s can be a substring of keyword.
|
||||
* eg. the keyword define is defined as def~ine. This means the word must start
|
||||
* with def to be a keyword, but also defi, defin and define are valid.
|
||||
* The marker is ~ in this case.
|
||||
*/
|
||||
bool WordList::InListAbbreviated(const char *s, const char marker) const noexcept {
|
||||
if (!words)
|
||||
return false;
|
||||
const char first = s[0];
|
||||
const unsigned char firstChar = first;
|
||||
int j = starts[firstChar];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == first) {
|
||||
bool isSubword = false;
|
||||
int start = 1;
|
||||
if (words[j][1] == marker) {
|
||||
isSubword = true;
|
||||
start++;
|
||||
}
|
||||
if (s[1] == words[j][start]) {
|
||||
const char *a = words[j] + start;
|
||||
const char *b = s + 1;
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
if (*a == marker) {
|
||||
isSubword = true;
|
||||
a++;
|
||||
}
|
||||
b++;
|
||||
}
|
||||
if ((!*a || isSubword) && !*b)
|
||||
return true;
|
||||
}
|
||||
j++;
|
||||
}
|
||||
}
|
||||
j = starts[static_cast<unsigned int>('^')];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == '^') {
|
||||
const char *a = words[j] + 1;
|
||||
const char *b = s;
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
b++;
|
||||
}
|
||||
if (!*a)
|
||||
return true;
|
||||
j++;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/** similar to InListAbbreviated, but word s can be an abridged version of a keyword.
|
||||
* eg. the keyword is defined as "after.~:". This means the word must have a prefix (begins with) of
|
||||
* "after." and suffix (ends with) of ":" to be a keyword, Hence "after.field:" , "after.form.item:" are valid.
|
||||
* Similarly "~.is.valid" keyword is suffix only... hence "field.is.valid" , "form.is.valid" are valid.
|
||||
* The marker is ~ in this case.
|
||||
* No multiple markers check is done and wont work.
|
||||
*/
|
||||
bool WordList::InListAbridged(const char *s, const char marker) const noexcept {
|
||||
if (!words)
|
||||
return false;
|
||||
const char first = s[0];
|
||||
const unsigned char firstChar = first;
|
||||
int j = starts[firstChar];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == first) {
|
||||
const char *a = words[j];
|
||||
const char *b = s;
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
if (*a == marker) {
|
||||
a++;
|
||||
const size_t suffixLengthA = strlen(a);
|
||||
const size_t suffixLengthB = strlen(b);
|
||||
if (suffixLengthA >= suffixLengthB)
|
||||
break;
|
||||
b = b + suffixLengthB - suffixLengthA - 1;
|
||||
}
|
||||
b++;
|
||||
}
|
||||
if (!*a && !*b)
|
||||
return true;
|
||||
j++;
|
||||
}
|
||||
}
|
||||
|
||||
j = starts[static_cast<unsigned int>(marker)];
|
||||
if (j >= 0) {
|
||||
while (words[j][0] == marker) {
|
||||
const char *a = words[j] + 1;
|
||||
const char *b = s;
|
||||
const size_t suffixLengthA = strlen(a);
|
||||
const size_t suffixLengthB = strlen(b);
|
||||
if (suffixLengthA > suffixLengthB) {
|
||||
j++;
|
||||
continue;
|
||||
}
|
||||
b = b + suffixLengthB - suffixLengthA;
|
||||
|
||||
while (*a && *a == *b) {
|
||||
a++;
|
||||
b++;
|
||||
}
|
||||
if (!*a && !*b)
|
||||
return true;
|
||||
j++;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
const char *WordList::WordAt(int n) const noexcept {
|
||||
return words[n];
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user