mirror of
https://github.com/godotengine/godot
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293 lines
8.9 KiB
C++
293 lines
8.9 KiB
C++
/**************************************************************************/
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/* naming_utils.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "naming_utils.h"
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#include "core/string/ucaps.h"
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#include "core/templates/hash_map.h"
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HashMap<String, String> _create_hashmap_from_vector(Vector<Pair<String, String>> vector) {
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HashMap<String, String> hashmap = HashMap<String, String>(vector.size());
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for (const Pair<String, String> &pair : vector) {
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hashmap.insert(pair.first, pair.second);
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}
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return hashmap;
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}
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// Hardcoded collection of PascalCase name conversions.
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const HashMap<String, String> pascal_case_name_overrides = _create_hashmap_from_vector({
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{ "BitMap", "Bitmap" },
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{ "JSONRPC", "JsonRpc" },
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{ "Object", "GodotObject" },
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{ "OpenXRIPBinding", "OpenXRIPBinding" },
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{ "SkeletonModification2DCCDIK", "SkeletonModification2DCcdik" },
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{ "SkeletonModification2DFABRIK", "SkeletonModification2DFabrik" },
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{ "SkeletonModification3DCCDIK", "SkeletonModification3DCcdik" },
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{ "SkeletonModification3DFABRIK", "SkeletonModification3DFabrik" },
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{ "System", "System_" },
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{ "Thread", "GodotThread" },
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});
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// Hardcoded collection of PascalCase part conversions.
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const HashMap<String, String> pascal_case_part_overrides = _create_hashmap_from_vector({
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{ "AA", "AA" }, // Anti Aliasing
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{ "AO", "AO" }, // Ambient Occlusion
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{ "FILENAME", "FileName" },
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{ "FADEIN", "FadeIn" },
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{ "FADEOUT", "FadeOut" },
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{ "FX", "FX" },
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{ "GI", "GI" }, // Global Illumination
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{ "GZIP", "GZip" },
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{ "HBOX", "HBox" }, // Horizontal Box
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{ "ID", "Id" },
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{ "IO", "IO" }, // Input/Output
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{ "IP", "IP" }, // Internet Protocol
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{ "IV", "IV" }, // Initialization Vector
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{ "MACOS", "MacOS" },
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{ "NODEPATH", "NodePath" },
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{ "SPIRV", "SpirV" },
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{ "STDIN", "StdIn" },
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{ "STDOUT", "StdOut" },
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{ "USERNAME", "UserName" },
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{ "UV", "UV" },
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{ "UV2", "UV2" },
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{ "VBOX", "VBox" }, // Vertical Box
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{ "WHITESPACE", "WhiteSpace" },
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{ "WM", "WM" },
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{ "XR", "XR" },
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{ "XRAPI", "XRApi" },
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});
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String _get_pascal_case_part_override(String p_part, bool p_input_is_upper = true) {
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if (!p_input_is_upper) {
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for (int i = 0; i < p_part.length(); i++) {
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p_part[i] = _find_upper(p_part[i]);
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}
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}
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if (pascal_case_part_overrides.has(p_part)) {
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return pascal_case_part_overrides.get(p_part);
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}
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return String();
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}
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Vector<String> _split_pascal_case(const String &p_identifier) {
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Vector<String> parts;
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int current_part_start = 0;
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bool prev_was_upper = is_ascii_upper_case(p_identifier[0]);
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for (int i = 1; i < p_identifier.length(); i++) {
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if (prev_was_upper) {
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if (is_digit(p_identifier[i]) || is_ascii_lower_case(p_identifier[i])) {
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if (!is_digit(p_identifier[i])) {
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// These conditions only apply when the separator is not a digit.
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if (i - current_part_start == 1) {
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// Upper character was only the beginning of a word.
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prev_was_upper = false;
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continue;
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}
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if (i != p_identifier.length()) {
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// If this is not the last character, the last uppercase
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// character is the start of the next word.
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i--;
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}
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}
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if (i - current_part_start > 0) {
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parts.append(p_identifier.substr(current_part_start, i - current_part_start));
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current_part_start = i;
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prev_was_upper = false;
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}
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}
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} else {
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if (is_digit(p_identifier[i]) || is_ascii_upper_case(p_identifier[i])) {
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parts.append(p_identifier.substr(current_part_start, i - current_part_start));
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current_part_start = i;
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prev_was_upper = true;
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}
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}
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}
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// Add the rest of the identifier as the last part.
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if (current_part_start != p_identifier.length()) {
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parts.append(p_identifier.substr(current_part_start));
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}
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return parts;
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}
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String pascal_to_pascal_case(const String &p_identifier) {
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if (p_identifier.length() == 0) {
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return p_identifier;
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}
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if (p_identifier.length() <= 2) {
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return p_identifier.to_upper();
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}
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if (pascal_case_name_overrides.has(p_identifier)) {
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// Use hardcoded value for the identifier.
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return pascal_case_name_overrides.get(p_identifier);
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}
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Vector<String> parts = _split_pascal_case(p_identifier);
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String ret;
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for (String &part : parts) {
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String part_override = _get_pascal_case_part_override(part);
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if (!part_override.is_empty()) {
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// Use hardcoded value for part.
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ret += part_override;
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continue;
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}
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if (part.length() <= 2 && part.to_upper() == part) {
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// Acronym of length 1 or 2.
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for (int j = 0; j < part.length(); j++) {
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part[j] = _find_upper(part[j]);
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}
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ret += part;
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continue;
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}
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part[0] = _find_upper(part[0]);
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for (int i = 1; i < part.length(); i++) {
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if (is_digit(part[i - 1])) {
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// Use uppercase after digits.
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part[i] = _find_upper(part[i]);
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continue;
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}
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part[i] = _find_lower(part[i]);
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}
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ret += part;
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}
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return ret;
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}
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String snake_to_pascal_case(const String &p_identifier, bool p_input_is_upper) {
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String ret;
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Vector<String> parts = p_identifier.split("_", true);
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for (int i = 0; i < parts.size(); i++) {
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String part = parts[i];
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String part_override = _get_pascal_case_part_override(part, p_input_is_upper);
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if (!part_override.is_empty()) {
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// Use hardcoded value for part.
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ret += part_override;
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continue;
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}
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if (!part.is_empty()) {
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part[0] = _find_upper(part[0]);
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for (int j = 1; j < part.length(); j++) {
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if (is_digit(part[j - 1])) {
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// Use uppercase after digits.
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part[j] = _find_upper(part[j]);
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continue;
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}
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if (p_input_is_upper) {
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part[j] = _find_lower(part[j]);
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}
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}
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ret += part;
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} else {
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if (i == 0 || i == (parts.size() - 1)) {
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// Preserve underscores at the beginning and end
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ret += "_";
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} else {
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// Preserve contiguous underscores
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if (parts[i - 1].length()) {
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ret += "__";
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} else {
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ret += "_";
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}
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}
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}
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}
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return ret;
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}
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String snake_to_camel_case(const String &p_identifier, bool p_input_is_upper) {
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String ret;
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Vector<String> parts = p_identifier.split("_", true);
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for (int i = 0; i < parts.size(); i++) {
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String part = parts[i];
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String part_override = _get_pascal_case_part_override(part, p_input_is_upper);
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if (!part_override.is_empty()) {
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// Use hardcoded value for part.
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if (i == 0) {
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part_override[0] = _find_lower(part_override[0]);
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}
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ret += part_override;
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continue;
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}
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if (!part.is_empty()) {
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if (i == 0) {
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part[0] = _find_lower(part[0]);
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} else {
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part[0] = _find_upper(part[0]);
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}
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for (int j = 1; j < part.length(); j++) {
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if (is_digit(part[j - 1])) {
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// Use uppercase after digits.
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part[j] = _find_upper(part[j]);
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continue;
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}
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if (p_input_is_upper) {
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part[j] = _find_lower(part[j]);
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}
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}
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ret += part;
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} else {
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if (i == 0 || i == (parts.size() - 1)) {
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// Preserve underscores at the beginning and end
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ret += "_";
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} else {
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// Preserve contiguous underscores
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if (parts[i - 1].length()) {
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ret += "__";
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} else {
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ret += "_";
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}
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}
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}
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}
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return ret;
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}
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