cpp/openttd-patchpack/source Changeset - r27506:5d6fb3346eaa

Changeset - r27506:5d6fb3346eaa

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Rubidium - 19 months ago 2023-05-18 16:33:18
rubidium@openttd.org

Codechange: let GetStringWithArgs use StringBuilder

8 files changed with 106 insertions and 77 deletions:

src/industry_cmd.cpp

src/newgrf_townname.cpp

src/newgrf_townname.h

src/station_cmd.cpp

src/strings.cpp

src/strings_func.h

src/strings_internal.h

src/townname.cpp

0 comments (0 inline, 0 general)

src/industry_cmd.cpp

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@@ @@ -2431,11 +2431,9 @@ void Industry::RecomputeProductionMultip @@
 void Industry::FillCachedName() const
+{
 	char buf[256];
 	int64 args_array[] = { this->index };
 	StringParameters tmp_params(args_array);
 	char *end = GetStringWithArgs(buf, STR_INDUSTRY_NAME, &tmp_params, lastof(buf));
 	this->cached_name.assign(buf, end);
 	this->cached_name = GetStringWithArgs(STR_INDUSTRY_NAME, &tmp_params);
+}
 void ClearAllIndustryCachedNames()

src/newgrf_townname.cpp

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@@ @@ -16,6 +16,7 @@ @@
 #include "newgrf_townname.h"
 #include "core/alloc_func.hpp"
 #include "string_func.h"
 #include "strings_internal.h"
 #include "table/strings.h"
@@ @@ -46,7 +47,7 @@ void DelGRFTownName(uint32 grfid) @@
 	_grf_townnames.erase(std::find_if(std::begin(_grf_townnames), std::end(_grf_townnames), [&grfid](const GRFTownName &t){ return t.grfid == grfid; }));
+}
-static char *RandomPart(char *buf, const GRFTownName *t, uint32 seed, byte id, const char *last)
+static void RandomPart(StringBuilder &builder, const GRFTownName *t, uint32 seed, byte id)
+{
 	assert(t != nullptr);
 	for (const auto &partlist : t->partlists[id]) {
@@ @@ -57,25 +58,22 @@ static char *RandomPart(char *buf, const @@
 			maxprob -= GB(part.prob, 0, 7);
 			if (maxprob > r) continue;
 			if (HasBit(part.prob, 7)) {
-				buf = RandomPart(buf, t, seed, part.id, last);
+				RandomPart(builder, t, seed, part.id);
 			} else {
-				buf = strecat(buf, part.text.c_str(), last);
+				builder += part.text;
+			}
 			break;
+		}
+	}
 	return buf;
+}
-char *GRFTownNameGenerate(char *buf, uint32 grfid, uint16 gen, uint32 seed, const char *last)
+void GRFTownNameGenerate(StringBuilder &builder, uint32 grfid, uint16 gen, uint32 seed)
+{
 	strecpy(buf, "", last);
 	const GRFTownName *t = GetGRFTownName(grfid);
 	if (t != nullptr) {
 		assert(gen < t->styles.size());
-		buf = RandomPart(buf, t, seed, t->styles[gen].id, last);
+		RandomPart(builder, t, seed, t->styles[gen].id);
+	}
 	return buf;
+}

src/newgrf_townname.h

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@@ @@ -47,7 +47,6 @@ GRFTownName *AddGRFTownName(uint32 grfid @@
 GRFTownName *GetGRFTownName(uint32 grfid);
 void DelGRFTownName(uint32 grfid);
 void CleanUpGRFTownNames();
 char *GRFTownNameGenerate(char *buf, uint32 grfid, uint16 gen, uint32 seed, const char *last);
 uint32 GetGRFTownNameId(uint16 gen);
 uint16 GetGRFTownNameType(uint16 gen);
 StringID GetGRFTownNameName(uint16 gen);

src/station_cmd.cpp

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@@ @@ -461,11 +461,9 @@ void UpdateAllStationVirtCoords() @@
 void BaseStation::FillCachedName() const
+{
 	char buf[MAX_LENGTH_STATION_NAME_CHARS * MAX_CHAR_LENGTH];
 	int64 args_array[] = { this->index };
 	StringParameters tmp_params(args_array);
 	char *end = GetStringWithArgs(buf, Waypoint::IsExpected(this) ? STR_WAYPOINT_NAME : STR_STATION_NAME, &tmp_params, lastof(buf));
 	this->cached_name.assign(buf, end);
 	this->cached_name = GetStringWithArgs(Waypoint::IsExpected(this) ? STR_WAYPOINT_NAME : STR_STATION_NAME, &tmp_params);
+}
 void ClearAllStationCachedNames()

src/strings.cpp

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@@ @@ -172,8 +172,8 @@ void CopyOutDParam(uint64 *dst, const ch @@
+}
 static void StationGetSpecialString(StringBuilder &builder, int x);
 static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char *last);
 static char *GetSpecialNameString(char *buff, int ind, StringParameters *args, const char *last);
 static void GetSpecialTownNameString(StringBuilder &builder, int ind, uint32 seed);
 static void GetSpecialNameString(StringBuilder &builder, int ind, StringParameters *args);
 static void FormatString(StringBuilder &builder, const char *str, StringParameters *args, uint case_index = 0, bool game_script = false, bool dry_run = false);
@@ @@ -216,17 +216,18 @@ const char *GetStringPtr(StringID string @@
 /**
  * Get a parsed string with most special stringcodes replaced by the string parameters.
  * @param buffr  Pointer to a string buffer where the formatted string should be written to.
  * @param string
  * @param args   Arguments for the string.
  * @param last   Pointer just past the end of \a buffr.
  * @param builder     The builder of the string.
  * @param string      The ID of the string to parse.
  * @param args        Arguments for the string.
  * @param case_index  The "case index". This will only be set when FormatString wants to print the string in a different case.
  * @param game_script The string is coming directly from a game script.
  * @return       Pointer to the final zero byte of the formatted string.
  */
-char *GetStringWithArgs(char *buffr, StringID string, StringParameters *args, const char *last, uint case_index, bool game_script)
+void GetStringWithArgs(StringBuilder &builder, StringID string, StringParameters *args, uint case_index, bool game_script)
+{
 	if (string == 0) return GetStringWithArgs(buffr, STR_UNDEFINED, args, last);
 	if (string == 0) {
 		GetStringWithArgs(builder, STR_UNDEFINED, args);
 		return;
+	}
 	uint index = GetStringIndex(string);
 	StringTab tab = GetStringTab(string);
@@ @@ -234,13 +235,15 @@ char *GetStringWithArgs(char *buffr, Str @@
 	switch (tab) {
 		case TEXT_TAB_TOWN:
 			if (index >= 0xC0 && !game_script) {
 				return GetSpecialTownNameString(buffr, index - 0xC0, args->GetInt32(), last);
 				GetSpecialTownNameString(builder, index - 0xC0, args->GetInt32());
 				return;
+			}
 			break;
 		case TEXT_TAB_SPECIAL:
 			if (index >= 0xE4 && !game_script) {
 				return GetSpecialNameString(buffr, index - 0xE4, args, last);
 				GetSpecialNameString(builder, index - 0xE4, args);
 				return;
+			}
 			break;
@@ @@ -252,18 +255,16 @@ char *GetStringWithArgs(char *buffr, Str @@
 			break;
 		case TEXT_TAB_GAMESCRIPT_START: {
 			StringBuilder builder(buffr, last);
 			FormatString(builder, GetGameStringPtr(index), args, case_index, true);
-			return builder.GetEnd();
 			return;
+		}
 		case TEXT_TAB_OLD_NEWGRF:
 			NOT_REACHED();
 		case TEXT_TAB_NEWGRF_START: {
 			StringBuilder builder(buffr, last);
 			FormatString(builder, GetGRFStringPtr(index), args, case_index);
-			return builder.GetEnd();
 			return;
+		}
 		default:
@@ @@ -272,34 +273,21 @@ char *GetStringWithArgs(char *buffr, Str @@
 	if (index >= _langpack.langtab_num[tab]) {
 		if (game_script) {
-			return GetStringWithArgs(buffr, STR_UNDEFINED, args, last);
+			return GetStringWithArgs(builder, STR_UNDEFINED, args);
+		}
 		FatalError("String 0x{:X} is invalid. You are probably using an old version of the .lng file.\n", string);
+	}
 	StringBuilder builder(buffr, last);
 	FormatString(builder, GetStringPtr(string), args, case_index);
 	return builder.GetEnd();
+}
 char *GetString(char *buffr, StringID string, const char *last)
+{
 	_global_string_params.ClearTypeInformation();
 	_global_string_params.offset = 0;
 	return GetStringWithArgs(buffr, string, &_global_string_params, last);
+}
 /**
  * Get a parsed string with most special stringcodes replaced by the string parameters.
  * @param builder     The builder of the string.
  * @param string      The ID of the string to parse.
  * @param args        Arguments for the string.
  * @param case_index  The "case index". This will only be set when FormatString wants to print the string in a different case.
  * @param game_script The string is coming directly from a game script.
  */
 void GetStringWithArgs(StringBuilder &builder, StringID string, StringParameters *args, uint case_index = 0, bool game_script = false)
+{
 	builder.AddViaStreCallback([&](auto buff, auto last) { return GetStringWithArgs(buff, string, args, last, case_index, game_script); });
 	StringBuilder builder(buffr, last);
 	GetStringWithArgs(builder, string, &_global_string_params);
 	return builder.GetEnd();
+}
@@ @@ -317,6 +305,20 @@ std::string GetString(StringID string) @@
+}
 /**
  * Get a parsed string with most special stringcodes replaced by the string parameters.
  * @param string The ID of the string to parse.
  * @param args   Arguments for the string.
  * @return The parsed string.
  */
 std::string GetStringWithArgs(StringID string, StringParameters *args)
+{
 	char buffer[DRAW_STRING_BUFFER];
 	StringBuilder builder(buffer, lastof(buffer));
 	GetStringWithArgs(builder, string, args);
 	return std::string(buffer, builder.GetEnd());
+}
 /**
  * This function is used to "bind" a C string to a OpenTTD dparam slot.
  * @param n slot of the string
  * @param str string to bind
@@ @@ -1568,7 +1570,7 @@ static void FormatString(StringBuilder & @@
 					StringParameters tmp_params(args_array);
 					GetStringWithArgs(builder, STR_JUST_RAW_STRING, &tmp_params);
 				} else {
-					builder.AddViaStreCallback([&t](auto buff, auto last) { return GetTownName(buff, t, last); });
+					GetTownName(builder, t);
+				}
 				break;
+			}
@@ @@ -1659,9 +1661,9 @@ static void StationGetSpecialString(Stri @@
 	if ((x & FACIL_AIRPORT) != 0) builder.Utf8Encode(SCC_PLANE);
+}
-static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char *last)
+static void GetSpecialTownNameString(StringBuilder &builder, int ind, uint32 seed)
+{
 	return GenerateTownNameString(buff, last, ind, seed);
+	builder.AddViaStreCallback([&](auto buff, auto last) { return GenerateTownNameString(buff, last, ind, seed); });
+}
 static const char * const _silly_company_names[] = {
@@ @@ -1732,7 +1734,7 @@ static const char _initial_name_letters[ @@
 	'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W',
 };
-static char *GenAndCoName(char *buff, uint32 arg, const char *last)
+static void GenAndCoName(StringBuilder &builder, uint32 arg)
+{
 	const char * const *base;
 	uint num;
@@ @@ -1745,13 +1747,11 @@ static char *GenAndCoName(char *buff, ui @@
 		num  = lengthof(_surname_list);
+	}
 	buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], last);
 	buff = strecpy(buff, " & Co.", last);
 	return buff;
 	builder += base[num * GB(arg, 16, 8) >> 8];
 	builder += " & Co.";
+}
-static char *GenPresidentName(char *buff, uint32 x, const char *last)
+static void GenPresidentName(StringBuilder &builder, uint32 x)
+{
 	char initial[] = "?. ";
 	const char * const *base;
@@ @@ -1759,12 +1759,12 @@ static char *GenPresidentName(char *buff @@
 	uint i;
 	initial[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8];
-	buff = strecpy(buff, initial, last);
+	builder += initial;
 	i = (sizeof(_initial_name_letters) + 35) * GB(x, 8, 8) >> 8;
 	if (i < sizeof(_initial_name_letters)) {
 		initial[0] = _initial_name_letters[i];
-		buff = strecpy(buff, initial, last);
+		builder += initial;
+	}
 	if (_settings_game.game_creation.landscape == LT_TOYLAND) {
@@ @@ -1775,28 +1775,30 @@ static char *GenPresidentName(char *buff @@
 		num  = lengthof(_surname_list);
+	}
 	buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], last);
 	return buff;
 	builder += base[num * GB(x, 16, 8) >> 8];
+}
-static char *GetSpecialNameString(char *buff, int ind, StringParameters *args, const char *last)
+static void GetSpecialNameString(StringBuilder &builder, int ind, StringParameters *args)
+{
 	switch (ind) {
 		case 1: // not used
 			return strecpy(buff, _silly_company_names[std::min<uint>(args->GetInt32() & 0xFFFF, lengthof(_silly_company_names) - 1)], last);
 			builder += _silly_company_names[std::min<uint>(args->GetInt32() & 0xFFFF, lengthof(_silly_company_names) - 1)];
 			return;
 		case 2: // used for Foobar & Co company names
 			return GenAndCoName(buff, args->GetInt32(), last);
 			GenAndCoName(builder, args->GetInt32());
 			return;
 		case 3: // President name
 			return GenPresidentName(buff, args->GetInt32(), last);
 			GenPresidentName(builder, args->GetInt32());
 			return;
+	}
 	/* town name? */
 	if (IsInsideMM(ind - 6, 0, SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1)) {
 		buff = GetSpecialTownNameString(buff, ind - 6, args->GetInt32(), last);
 		return strecpy(buff, " Transport", last);
 		GetSpecialTownNameString(builder, ind - 6, args->GetInt32());
 		builder += " Transport";
 		return;
+	}
 	NOT_REACHED();

src/strings_func.h

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@@ @@ -172,7 +172,7 @@ extern StringParameters _global_string_p @@
 char *GetString(char *buffr, StringID string, const char *last);
 std::string GetString(StringID string);
-char *GetStringWithArgs(char *buffr, StringID string, StringParameters *args, const char *last, uint case_index = 0, bool game_script = false);
+std::string GetStringWithArgs(StringID string, StringParameters *args);
 const char *GetStringPtr(StringID string);
 uint ConvertKmhishSpeedToDisplaySpeed(uint speed, VehicleType type);

src/strings_internal.h

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@@ @@ -10,6 +10,8 @@ @@
 #ifndef STRINGS_INTERNAL_H
 #define STRINGS_INTERNAL_H
 #include "strings_func.h"
 /**
  * Equivalent to the std::back_insert_iterator in function, with some
  * convenience helpers for string concatenation.
@@ @@ -130,4 +132,10 @@ public: @@
+	}
 };
 void GetStringWithArgs(StringBuilder &builder, StringID string, StringParameters *args, uint case_index = 0, bool game_script = false);
 /* Do not leak the StringBuilder to everywhere. */
 void GetTownName(StringBuilder &builder, const struct Town *t);
 void GRFTownNameGenerate(StringBuilder &builder, uint32 grfid, uint16 gen, uint32 seed);
 #endif /* STRINGS_INTERNAL_H */

src/townname.cpp

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@@ @@ -15,6 +15,7 @@ @@
 #include "core/random_func.hpp"
 #include "genworld.h"
 #include "gfx_layout.h"
 #include "strings_internal.h"
 #include "table/townname.h"
@@ @@ -39,6 +40,24 @@ TownNameParams::TownNameParams(const Tow @@
 /**
  * Fills builder with specified town name.
  * @param builder       The string builder.
  * @param par           Town name parameters.
  * @param townnameparts 'Encoded' town name.
  */
 static void GetTownName(StringBuilder &builder, const TownNameParams *par, uint32 townnameparts)
+{
 	if (par->grfid == 0) {
 		int64 args_array[1] = { townnameparts };
 		StringParameters tmp_params(args_array);
 		GetStringWithArgs(builder, par->type, &tmp_params);
 		return;
+	}
 	GRFTownNameGenerate(builder, par->grfid, par->type, townnameparts);
+}
 /**
  * Fills buffer with specified town name
  * @param buff buffer start
  * @param par town name parameters
@@ @@ -48,15 +67,21 @@ TownNameParams::TownNameParams(const Tow @@
  */
 char *GetTownName(char *buff, const TownNameParams *par, uint32 townnameparts, const char *last)
+{
 	if (par->grfid == 0) {
 		int64 args_array[1] = { townnameparts };
 		StringParameters tmp_params(args_array);
 		return GetStringWithArgs(buff, par->type, &tmp_params, last);
+	}
 	return GRFTownNameGenerate(buff, par->grfid, par->type, townnameparts, last);
 	StringBuilder builder(buff, last);
 	GetTownName(builder, par, townnameparts);
 	return builder.GetEnd();
+}
 /**
  * Fills builder with town's name.
  * @param builder String builder.
  * @param t       The town to get the name from.
  */
 void GetTownName(StringBuilder &builder, const Town *t)
+{
 	TownNameParams par(t);
 	GetTownName(builder, &par, t->townnameparts);
+}
 /**
  * Fills buffer with town's name
@@ @@ -67,8 +92,9 @@ char *GetTownName(char *buff, const Town @@
  */
 char *GetTownName(char *buff, const Town *t, const char *last)
+{
 	TownNameParams par(t);
 	return GetTownName(buff, &par, t->townnameparts, last);
 	StringBuilder builder(buff, last);
 	GetTownName(builder, t);
 	return builder.GetEnd();
+}

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