[elm_code] trim all trailing whitespace on save
Rather than just blank lines remove all trailing whitespace from lines
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0101b988d5
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@ -1,6 +1,6 @@
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2015-08-27 ajwillia.ms (Andy Williams)
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* Trim lines that are purely whitespace during save
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* Trim trailing whitespace from lines during save
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2015-07-17 ajwillia.ms (Andy Williams)
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@ -178,12 +178,9 @@ EAPI void elm_code_file_save(Elm_Code_File *file)
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EINA_LIST_FOREACH(file->lines, item, line_item)
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{
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elm_code_line_text_trailing_whitespace_strip(line_item);
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content = elm_code_line_text_get(line_item, &length);
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if (elm_code_text_is_whitespace(content, length))
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{
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length = 0;
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elm_code_line_text_set(line_item, "", 0);
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}
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fwrite(content, sizeof(char), length, out);
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fwrite(crchars, sizeof(char), crlength, out);
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}
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@ -24,19 +24,22 @@ EAPI void
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elm_code_line_text_set(Elm_Code_Line *line, const char *chars, unsigned int length)
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{
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Elm_Code_File *file;
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char *newtext;
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char *newtext, *oldtext = NULL;
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if (!line)
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return;
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if (line->modified)
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free(line->modified);
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oldtext = line->modified;
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newtext = malloc(sizeof(char) * length);
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strncpy(newtext, chars, length);
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line->modified = newtext;
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line->length = length;
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if (oldtext)
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free(oldtext);
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file = line->file;
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if (file->parent)
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{
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@ -207,6 +210,20 @@ elm_code_line_text_remove(Elm_Code_Line *line, unsigned int position, int length
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elm_code_callback_fire(file->parent, &ELM_CODE_EVENT_LINE_LOAD_DONE, line);
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}
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EAPI void elm_code_line_text_trailing_whitespace_strip(Elm_Code_Line *line)
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{
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unsigned int length, trailing;
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const char *content;
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content = elm_code_line_text_get(line, &length);
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trailing = elm_code_text_trailing_whitespace_length(content, length);
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if (trailing == 0)
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return;
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length -= trailing;;
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elm_code_line_text_set(line, content, length);
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}
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/* generic text functions */
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EAPI int
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@ -238,6 +255,12 @@ elm_code_text_newlinenpos(const char *text, unsigned int length, short *nllen)
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return crpos;
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}
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static Eina_Bool
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_elm_code_text_char_is_whitespace(char c)
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{
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return c == ' ' || c == '\t';
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}
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EAPI unsigned int
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elm_code_text_leading_whitespace_length(const char *text, unsigned int length)
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{
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@ -246,7 +269,7 @@ elm_code_text_leading_whitespace_length(const char *text, unsigned int length)
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while (count < length)
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{
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if (!(*ptr == ' ' || *ptr == '\t'))
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if (!_elm_code_text_char_is_whitespace(*ptr))
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break;
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count++;
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@ -256,12 +279,34 @@ elm_code_text_leading_whitespace_length(const char *text, unsigned int length)
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return count;
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}
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EAPI unsigned int
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elm_code_text_trailing_whitespace_length(const char *text, unsigned int length)
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{
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unsigned int count = 0;
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char *ptr;
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if (length == 0)
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return 0;
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ptr = (char *)text + length - 1;
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while (count < length)
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{
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if (!_elm_code_text_char_is_whitespace(*ptr))
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break;
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count++;
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ptr--;
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}
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return count;
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}
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EAPI unsigned int
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elm_code_text_is_whitespace(const char *text, unsigned int length)
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{
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unsigned int leading;
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leading = elm_code_text_leading_whitespace_length(text, length);
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leading = elm_code_text_trailing_whitespace_length(text, length);
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return leading == length;
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}
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@ -36,6 +36,8 @@ EAPI void elm_code_line_text_insert(Elm_Code_Line *line, unsigned int position,
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EAPI void elm_code_line_text_remove(Elm_Code_Line *line, unsigned int position, int length);
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EAPI void elm_code_line_text_trailing_whitespace_strip(Elm_Code_Line *line);
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/**
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* @}
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*
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@ -54,6 +56,8 @@ EAPI int elm_code_text_newlinenpos(const char *text, unsigned int length, short
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EAPI unsigned int elm_code_text_leading_whitespace_length(const char *text, unsigned int length);
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EAPI unsigned int elm_code_text_trailing_whitespace_length(const char *text, unsigned int length);
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EAPI unsigned int elm_code_text_is_whitespace(const char *text, unsigned int length);
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/**
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@ -112,6 +112,24 @@ START_TEST (elm_code_text_leading_whitespace_test)
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}
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END_TEST
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START_TEST (elm_code_text_trailing_whitespace_test)
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{
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const char *text;
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text = "testing";
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ck_assert_int_eq(0, elm_code_text_trailing_whitespace_length(text, strlen(text)));
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text = "spaces ";
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ck_assert_int_eq(2, elm_code_text_trailing_whitespace_length(text, strlen(text)));
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text = "tabs\t\t";
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ck_assert_int_eq(2, elm_code_text_trailing_whitespace_length(text, strlen(text)));
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text = "mix \t ";
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ck_assert_int_eq(3, elm_code_text_trailing_whitespace_length(text, strlen(text)));
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}
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END_TEST
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START_TEST (elm_code_text_is_whitespace_test)
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{
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const char *text;
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@ -135,5 +153,6 @@ void elm_code_test_text(TCase *tc)
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tcase_add_test(tc, elm_code_text_strpos_test);
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tcase_add_test(tc, elm_code_text_newline_position_test);
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tcase_add_test(tc, elm_code_text_leading_whitespace_test);
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tcase_add_test(tc, elm_code_text_trailing_whitespace_test);
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tcase_add_test(tc, elm_code_text_is_whitespace_test);
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}
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