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Add to_search_normalized to search for characters with accents

develop
George Murray 2020-09-24 07:31:10 -07:00
parent 3c037ef52a
commit a3c565b243
3 changed files with 42 additions and 2 deletions
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39
library/MiscUtils.cpp
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@ -128,6 +128,45 @@ std::string toLower(const std::string &str)
return rv;
}
static const char *normalized_table[256] = {
//.0 .1 .2 .3 .4 .5 .6 .7 .8 .9 .A .B .C .D .E .F
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 0.
NULL, NULL, NULL, NULL, NULL, "S", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 1.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 2.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 3.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 4.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 5.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 6.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 7.
"C", "u", "e", "a", "a", "a", "a", "c", "e", "e", "e", "i", "i", "i", "A", "A", // 8.
"E", "ae", "Ae", "o", "o", "o", "u", "u", "y", "O", "U", "c", "L", "Y", NULL, "f", // 9.
"a", "i", "o", "u", "n", "N", "a", "o", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // A.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // B.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // C.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // D.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // E.
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // F.
};
std::string to_search_normalized(const std::string &str)
{
std::stringbuf result;
for (char c : str)
{
const char *mapped = normalized_table[(uint8_t)c];
if (mapped == NULL)
result.sputc(tolower(c));
else
while (*mapped != '\0')
{
result.sputc(tolower(c));
++mapped;
}
}
return result.str();
}
bool word_wrap(std::vector<std::string> *out, const std::string &str, size_t line_length)
{
out->clear();

1
library/include/MiscUtils.h
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@ -366,6 +366,7 @@ DFHACK_EXPORT std::string join_strings(const std::string &separator, const std::
DFHACK_EXPORT std::string toUpper(const std::string &str);
DFHACK_EXPORT std::string toLower(const std::string &str);
DFHACK_EXPORT std::string to_search_normalized(const std::string &str);
DFHACK_EXPORT bool word_wrap(std::vector<std::string> *out,
const std::string &str,

4
plugins/search.cpp
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@ -396,7 +396,7 @@ protected:
clear_viewscreen_vectors();
string search_string_l = toLower(search_string);
string search_string_l = to_search_normalized(search_string);
for (size_t i = 0; i < saved_list1.size(); i++ )
{
if (force_in_search(i))
@ -409,7 +409,7 @@ protected:
continue;
T element = saved_list1[i];
string desc = toLower(get_element_description(element));
string desc = to_search_normalized(get_element_description(element));
if (desc.find(search_string_l) != string::npos)
{
add_to_filtered_list(i);