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@ r28396:ef195b601c72
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Location: cpp/openttd-patchpack/source/src/ini_load.cpp
r28396:ef195b601c72
8.4 KiB
text/x-c
Fix: Pass townnameparts as parameter when testing townname based companyname. (#11685)
Length of returned string could vary and pass/fail the length check with a different
string than the final selection.
Length of returned string could vary and pass/fail the length check with a different
string than the final selection.
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ini_load.cpp Definition of the #IniLoadFile class, related to reading and storing '*.ini' files. */
#include "stdafx.h"
#include "core/alloc_func.hpp"
#include "core/mem_func.hpp"
#include "ini_type.h"
#include "string_func.h"
#include "safeguards.h"
/**
* Construct a new in-memory item of an Ini file.
* @param parent the group we belong to
* @param name the name of the item
*/
IniItem::IniItem(const std::string &name)
{
this->name = StrMakeValid(name);
}
/**
* Replace the current value with another value.
* @param value the value to replace with.
*/
void IniItem::SetValue(const std::string_view value)
{
this->value.emplace(value);
}
/**
* Construct a new in-memory group of an Ini file.
* @param parent the file we belong to
* @param name the name of the group
*/
IniGroup::IniGroup(const std::string &name, IniGroupType type) : type(type), comment("\n")
{
this->name = StrMakeValid(name);
}
/**
* Get the item with the given name.
* @param name name of the item to find.
* @return the requested item or nullptr if not found.
*/
const IniItem *IniGroup::GetItem(const std::string &name) const
{
for (const IniItem &item : this->items) {
if (item.name == name) return &item;
}
return nullptr;
}
/**
* Get the item with the given name, and if it doesn't exist create a new item.
* @param name name of the item to find.
* @return the requested item.
*/
IniItem &IniGroup::GetOrCreateItem(const std::string &name)
{
for (IniItem &item : this->items) {
if (item.name == name) return item;
}
/* Item doesn't exist, make a new one. */
return this->CreateItem(name);
}
/**
* Create an item with the given name. This does not reuse an existing item of the same name.
* @param name name of the item to create.
* @return the created item.
*/
IniItem &IniGroup::CreateItem(const std::string &name)
{
return this->items.emplace_back(name);
}
/**
* Remove the item with the given name.
* @param name Name of the item to remove.
*/
void IniGroup::RemoveItem(const std::string &name)
{
this->items.remove_if([&name](const IniItem &item) { return item.name == name; });
}
/**
* Clear all items in the group
*/
void IniGroup::Clear()
{
this->items.clear();
}
/**
* Construct a new in-memory Ini file representation.
* @param list_group_names A list with group names that should be loaded as lists instead of variables. @see IGT_LIST
* @param seq_group_names A list with group names that should be loaded as lists of names. @see IGT_SEQUENCE
*/
IniLoadFile::IniLoadFile(const IniGroupNameList &list_group_names, const IniGroupNameList &seq_group_names) :
list_group_names(list_group_names),
seq_group_names(seq_group_names)
{
}
/**
* Get the group with the given name.
* @param name name of the group to find.
* @return The requested group or \c nullptr if not found.
*/
const IniGroup *IniLoadFile::GetGroup(const std::string &name) const
{
for (const IniGroup &group : this->groups) {
if (group.name == name) return &group;
}
return nullptr;
}
/**
* Get the group with the given name.
* @param name name of the group to find.
* @return The requested group or \c nullptr if not found.
*/
IniGroup *IniLoadFile::GetGroup(const std::string &name)
{
for (IniGroup &group : this->groups) {
if (group.name == name) return &group;
}
return nullptr;
}
/**
* Get the group with the given name, and if it doesn't exist create a new group.
* @param name name of the group to find.
* @return the requested group.
*/
IniGroup &IniLoadFile::GetOrCreateGroup(const std::string &name)
{
for (IniGroup &group : this->groups) {
if (group.name == name) return group;
}
/* Group doesn't exist, make a new one. */
return this->CreateGroup(name);
}
/**
* Create an group with the given name. This does not reuse an existing group of the same name.
* @param name name of the group to create.
* @return the created group.
*/
IniGroup &IniLoadFile::CreateGroup(const std::string &name)
{
IniGroupType type = IGT_VARIABLES;
if (std::find(this->list_group_names.begin(), this->list_group_names.end(), name) != this->list_group_names.end()) type = IGT_LIST;
if (std::find(this->seq_group_names.begin(), this->seq_group_names.end(), name) != this->seq_group_names.end()) type = IGT_SEQUENCE;
return this->groups.emplace_back(name, type);
}
/**
* Remove the group with the given name.
* @param name name of the group to remove.
*/
void IniLoadFile::RemoveGroup(const std::string &name)
{
size_t len = name.length();
this->groups.remove_if([&name, &len](const IniGroup &group) { return group.name.compare(0, len, name) == 0; });
}
/**
* Load the Ini file's data from the disk.
* @param filename the file to load.
* @param subdir the sub directory to load the file from.
* @pre nothing has been loaded yet.
*/
void IniLoadFile::LoadFromDisk(const std::string &filename, Subdirectory subdir)
{
assert(this->groups.empty());
char buffer[1024];
IniGroup *group = nullptr;
char *comment = nullptr;
uint comment_size = 0;
uint comment_alloc = 0;
size_t end;
FILE *in = this->OpenFile(filename, subdir, &end);
if (in == nullptr) return;
end += ftell(in);
/* for each line in the file */
while ((size_t)ftell(in) < end && fgets(buffer, sizeof(buffer), in)) {
char c, *s;
/* trim whitespace from the left side */
for (s = buffer; *s == ' ' || *s == '\t'; s++) {}
/* trim whitespace from right side. */
char *e = s + strlen(s);
while (e > s && ((c = e[-1]) == '\n' || c == '\r' || c == ' ' || c == '\t')) e--;
*e = '\0';
/* Skip comments and empty lines outside IGT_SEQUENCE groups. */
if ((group == nullptr || group->type != IGT_SEQUENCE) && (*s == '#' || *s == ';' || *s == '\0')) {
uint ns = comment_size + (e - s + 1);
uint a = comment_alloc;
/* add to comment */
if (ns > a) {
a = std::max(a, 128U);
do a *= 2; while (a < ns);
comment = ReallocT(comment, comment_alloc = a);
}
uint pos = comment_size;
comment_size += (e - s + 1);
comment[pos + e - s] = '\n'; // comment newline
memcpy(comment + pos, s, e - s); // copy comment contents
continue;
}
/* it's a group? */
if (s[0] == '[') {
if (e[-1] != ']') {
this->ReportFileError("ini: invalid group name '", buffer, "'");
} else {
e--;
}
s++; // skip [
group = &this->CreateGroup(std::string(s, e - s));
if (comment_size != 0) {
group->comment.assign(comment, comment_size);
comment_size = 0;
}
} else if (group != nullptr) {
if (group->type == IGT_SEQUENCE) {
/* A sequence group, use the line as item name without further interpretation. */
IniItem &item = group->CreateItem(std::string(buffer, e - buffer));
if (comment_size) {
item.comment.assign(comment, comment_size);
comment_size = 0;
}
continue;
}
char *t;
/* find end of keyname */
if (*s == '\"') {
s++;
for (t = s; *t != '\0' && *t != '\"'; t++) {}
if (*t == '\"') *t = ' ';
} else {
for (t = s; *t != '\0' && *t != '=' && *t != '\t' && *t != ' '; t++) {}
}
/* it's an item in an existing group */
IniItem &item = group->CreateItem(std::string(s, t - s));
if (comment_size != 0) {
item.comment.assign(comment, comment_size);
comment_size = 0;
}
/* find start of parameter */
while (*t == '=' || *t == ' ' || *t == '\t') t++;
bool quoted = (*t == '\"');
/* remove starting quotation marks */
if (*t == '\"') t++;
/* remove ending quotation marks */
e = t + strlen(t);
if (e > t && e[-1] == '\"') e--;
*e = '\0';
/* If the value was not quoted and empty, it must be nullptr */
if (!quoted && e == t) {
item.value.reset();
} else {
item.value = StrMakeValid(std::string_view(t));
}
} else {
/* it's an orphan item */
this->ReportFileError("ini: '", buffer, "' outside of group");
}
}
if (comment_size > 0) {
this->comment.assign(comment, comment_size);
comment_size = 0;
}
free(comment);
fclose(in);
}
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