254 lines
9.0 KiB
C++
254 lines
9.0 KiB
C++
/*
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4coder_combined_write_commands.cpp - Commands for writing text specialized for particular contexts.
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*/
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// TOP
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function void
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write_string(Application_Links *app, View_ID view, Buffer_ID buffer, String_Const_u8 string){
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i64 pos = view_get_cursor_pos(app, view);
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buffer_replace_range(app, buffer, Ii64(pos), string);
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view_set_cursor_and_preferred_x(app, view, seek_pos(pos + string.size));
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}
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function void
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write_string(Application_Links *app, String_Const_u8 string){
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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write_string(app, view, buffer, string);
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}
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function void
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write_named_comment_string(Application_Links *app, char *type_string){
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Scratch_Block scratch(app);
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String_Const_u8 name = def_get_config_string(scratch, vars_save_string_lit("user_name"));
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String_Const_u8 str = {};
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if (name.size > 0){
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str = push_u8_stringf(scratch, "// %s(%.*s): ", type_string, string_expand(name));
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}
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else{
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str = push_u8_stringf(scratch, "// %s: ", type_string);
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}
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write_string(app, str);
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}
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function void
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long_braces(Application_Links *app, char *text, i32 size){
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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i64 pos = view_get_cursor_pos(app, view);
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buffer_replace_range(app, buffer, Ii64(pos), SCu8(text, size));
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view_set_cursor_and_preferred_x(app, view, seek_pos(pos + 2));
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auto_indent_buffer(app, buffer, Ii64_size(pos, size));
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move_past_lead_whitespace(app, view, buffer);
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}
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CUSTOM_COMMAND_SIG(open_long_braces)
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CUSTOM_DOC("At the cursor, insert a '{' and '}' separated by a blank line.")
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{
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char text[] = "{\n\n}";
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i32 size = sizeof(text) - 1;
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long_braces(app, text, size);
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}
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CUSTOM_COMMAND_SIG(open_long_braces_semicolon)
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CUSTOM_DOC("At the cursor, insert a '{' and '};' separated by a blank line.")
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{
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char text[] = "{\n\n};";
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i32 size = sizeof(text) - 1;
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long_braces(app, text, size);
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}
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CUSTOM_COMMAND_SIG(open_long_braces_break)
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CUSTOM_DOC("At the cursor, insert a '{' and '}break;' separated by a blank line.")
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{
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char text[] = "{\n\n}break;";
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i32 size = sizeof(text) - 1;
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long_braces(app, text, size);
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}
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CUSTOM_COMMAND_SIG(if0_off)
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CUSTOM_DOC("Surround the range between the cursor and mark with an '#if 0' and an '#endif'")
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{
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place_begin_and_end_on_own_lines(app, "#if 0", "#endif");
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}
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CUSTOM_COMMAND_SIG(write_todo)
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CUSTOM_DOC("At the cursor, insert a '// TODO' comment, includes user name if it was specified in config.4coder.")
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{
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write_named_comment_string(app, "TODO");
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}
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CUSTOM_COMMAND_SIG(write_hack)
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CUSTOM_DOC("At the cursor, insert a '// HACK' comment, includes user name if it was specified in config.4coder.")
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{
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write_named_comment_string(app, "HACK");
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}
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CUSTOM_COMMAND_SIG(write_note)
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CUSTOM_DOC("At the cursor, insert a '// NOTE' comment, includes user name if it was specified in config.4coder.")
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{
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write_named_comment_string(app, "NOTE");
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}
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CUSTOM_COMMAND_SIG(write_block)
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CUSTOM_DOC("At the cursor, insert a block comment.")
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{
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place_begin_and_end_on_own_lines(app, "/* ", " */");
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}
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CUSTOM_COMMAND_SIG(write_zero_struct)
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CUSTOM_DOC("At the cursor, insert a ' = {};'.")
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{
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write_string(app, string_u8_litexpr(" = {};"));
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}
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function i64
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get_start_of_line_at_cursor(Application_Links *app, View_ID view, Buffer_ID buffer){
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i64 pos = view_get_cursor_pos(app, view);
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i64 line = get_line_number_from_pos(app, buffer, pos);
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return(get_pos_past_lead_whitespace_from_line_number(app, buffer, line));
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}
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function b32
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c_line_comment_starts_at_position(Application_Links *app, Buffer_ID buffer, i64 pos){
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b32 alread_has_comment = false;
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u8 check_buffer[2];
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if (buffer_read_range(app, buffer, Ii64(pos, pos + 2), check_buffer)){
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if (check_buffer[0] == '/' && check_buffer[1] == '/'){
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alread_has_comment = true;
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}
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}
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return(alread_has_comment);
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}
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CUSTOM_COMMAND_SIG(comment_line)
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CUSTOM_DOC("Insert '//' at the beginning of the line after leading whitespace.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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i64 pos = get_start_of_line_at_cursor(app, view, buffer);
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b32 alread_has_comment = c_line_comment_starts_at_position(app, buffer, pos);
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if (!alread_has_comment){
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buffer_replace_range(app, buffer, Ii64(pos), string_u8_litexpr("//"));
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}
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}
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CUSTOM_COMMAND_SIG(uncomment_line)
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CUSTOM_DOC("If present, delete '//' at the beginning of the line after leading whitespace.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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i64 pos = get_start_of_line_at_cursor(app, view, buffer);
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b32 alread_has_comment = c_line_comment_starts_at_position(app, buffer, pos);
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if (alread_has_comment){
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buffer_replace_range(app, buffer, Ii64(pos, pos + 2), string_u8_empty);
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}
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}
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CUSTOM_COMMAND_SIG(comment_line_toggle)
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CUSTOM_DOC("Turns uncommented lines into commented lines and vice versa for comments starting with '//'.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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i64 pos = get_start_of_line_at_cursor(app, view, buffer);
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b32 alread_has_comment = c_line_comment_starts_at_position(app, buffer, pos);
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if (alread_has_comment){
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buffer_replace_range(app, buffer, Ii64(pos, pos + 2), string_u8_empty);
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}
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else{
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buffer_replace_range(app, buffer, Ii64(pos), string_u8_litexpr("//"));
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}
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}
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////////////////////////////////
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static Snippet default_snippets[] = {
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// general (for Allen's style)
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{"if", "if (){\n\n}\n", 4, 7},
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{"ifelse", "if (){\n\n}\nelse{\n\n}", 4, 7},
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{"forn", "for (node = ;\nnode != 0;\nnode = node->next){\n\n}\n", 5, 38},
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{"fori", "for (i = 0; i < ; i += 1){\n\n}\n", 5, 16},
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{"forj", "for (j = 0; j < ; j += 1){\n\n}\n", 5, 16},
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{"fork", "for (k = 0; k < ; k += 1){\n\n}\n", 5, 16},
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{"for", "for (;;){\n\n}\n", 5, 10},
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{"///", "////////////////////////////////", 32, 32},
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{"#guard", "#if !defined(Z)\n#define Z\n#endif\n", 0, 26},
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{"op+", "Z\noperator+(Z a, Z b){\n,\n}\n", 0, 23},
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{"op-", "Z\noperator-(Z a, Z b){\n,\n}\n", 0, 23},
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{"op*", "Z\noperator*(Z a, Z b){\n,\n}\n", 0, 23},
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{"op/", "Z\noperator/(Z a, Z b){\n,\n}\n", 0, 23},
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{"op+=", "Z&\noperator+=(Z &a, Z b){\n,\n}\n", 0, 26},
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{"op-=", "Z&\noperator-=(Z &a, Z b){\n,\n}\n", 0, 26},
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{"op*=", "Z&\noperator*=(Z &a, Z b){\n,\n}\n", 0, 26},
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{"op/=", "Z&\noperator/=(Z &a, Z b){\n,\n}\n", 0, 26},
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// for 4coder development
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{"4command", "CUSTOM_COMMAND_SIG()\nCUSTOM_DOC()\n{\n\n}\n", 19, 32},
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{"4app", "Application_Links *app", 22, 22},
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#if defined(SNIPPET_EXPANSION)
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#include SNIPPET_EXPANSION
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#endif
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};
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function void
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write_snippet(Application_Links *app, View_ID view, Buffer_ID buffer,
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i64 pos, Snippet *snippet){
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if (snippet != 0){
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String_Const_u8 snippet_text = SCu8(snippet->text);
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buffer_replace_range(app, buffer, Ii64(pos), snippet_text);
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i64 new_cursor = pos + snippet->cursor_offset;
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view_set_cursor_and_preferred_x(app, view, seek_pos(new_cursor));
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i64 new_mark = pos + snippet->mark_offset;
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view_set_mark(app, view, seek_pos(new_mark));
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auto_indent_buffer(app, buffer, Ii64_size(pos, snippet_text.size));
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}
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}
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function Snippet*
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get_snippet_from_user(Application_Links *app, Snippet *snippets, i32 snippet_count,
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String_Const_u8 query){
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Scratch_Block scratch(app);
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Lister_Block lister(app, scratch);
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lister_set_query(lister, query);
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lister_set_default_handlers(lister);
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Snippet *snippet = snippets;
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for (i32 i = 0; i < snippet_count; i += 1, snippet += 1){
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lister_add_item(lister, SCu8(snippet->name), SCu8(snippet->text), snippet, 0);
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}
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Lister_Result l_result = run_lister(app, lister);
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Snippet *result = 0;
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if (!l_result.canceled){
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result = (Snippet*)l_result.user_data;
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}
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return(result);
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}
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function Snippet*
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get_snippet_from_user(Application_Links *app, Snippet *snippets, i32 snippet_count,
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char *query){
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return(get_snippet_from_user(app, snippets, snippet_count, SCu8(query)));
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}
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CUSTOM_UI_COMMAND_SIG(snippet_lister)
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CUSTOM_DOC("Opens a snippet lister for inserting whole pre-written snippets of text.")
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{
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View_ID view = get_this_ctx_view(app, Access_ReadWrite);
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if (view != 0){
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Snippet *snippet = get_snippet_from_user(app, default_snippets,
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ArrayCount(default_snippets),
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"Snippet:");
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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i64 pos = view_get_cursor_pos(app, view);
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write_snippet(app, view, buffer, pos, snippet);
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}
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}
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// BOTTOM
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