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This commit is contained in:
Joao Paulo Magalhaes
2025-09-18 22:30:35 +01:00
parent f91554220a
commit 3434640c9b
2 changed files with 21 additions and 0 deletions
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5
CMakeLists.txt
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@@ -13,6 +13,7 @@ c4_project(VERSION 0.9.0 STANDALONE
#-------------------------------------------------------
option(RYML_WITH_TAB_TOKENS "Enable parsing of tabs after ':' and '-'. This is costly and disabled by default." OFF)
option(RYML_WITH_BACKL_BACKP "Double scalars: decode \L and \P (respectively to \u2028 and \u2029). They decode to a larger size, and require complex logic to deal with. Disabled by default." OFF)
option(RYML_DEFAULT_CALLBACKS "Enable ryml's default implementation of callbacks: allocate(), free(), error()" ON)
if(RYML_DEFAULT_CALLBACKS)
option(RYML_DEFAULT_CALLBACK_USES_EXCEPTIONS "Throw exceptions instead of calling abort in the default error handler provided by ryml" OFF)
@@ -87,6 +88,10 @@ if(RYML_WITH_TAB_TOKENS)
target_compile_definitions(ryml PUBLIC RYML_WITH_TAB_TOKENS)
endif()
if(RYML_WITH_BACKL_BACKP)
target_compile_definitions(ryml PUBLIC RYML_WITH_BACKL_BACKP)
endif()
if(NOT RYML_DEFAULT_CALLBACKS)
target_compile_definitions(ryml PRIVATE RYML_NO_DEFAULT_CALLBACKS)
else()

16
src/c4/yml/parse_engine.def.hpp
View File

@@ -26,6 +26,12 @@
#define _RYML_WITH_OR_WITHOUT_TAB_TOKENS(with, without) without
#endif
#if defined(RYML_WITH_BACKL_BACKP)
#define _RYML_WITH_OR_WITHOUT_BACKL_BACKP(with, without) with
#else
#define _RYML_WITH_OR_WITHOUT_BACKL_BACKP(with, without) without
#endif
// scaffold:
#define _c4dbgnextline() \
@@ -2753,6 +2759,10 @@ void ParseEngine<EventHandler>::_filter_dquoted_backslash(FilterProcessor &C4_RE
}
else if(next == 'L') // unicode line separator \u2028
{
#ifndef RYML_WITH_BACKL_BACKP
_c4err("\\L cannot be decoded as it would expand the source buffer. "
"use \\u2028 instead, or #define RYML_WITH_BACKL_BACKP while compiling.");
#else
// https://www.utf8-chartable.de/unicode-utf8-table.pl?start=8192&number=1024&names=-&utf8=0x&unicodeinhtml=hex
const char payload[] = {
_RYML_CHCONST(-0x1e, 0xe2),
@@ -2760,9 +2770,14 @@ void ParseEngine<EventHandler>::_filter_dquoted_backslash(FilterProcessor &C4_RE
_RYML_CHCONST(-0x58, 0xa8),
};
proc.translate_esc_extending(payload, /*nwrite*/3, /*nread*/1);
#endif
}
else if(next == 'P') // unicode paragraph separator \u2029
{
#ifndef RYML_WITH_BACKL_BACKP
_c4err("\\N cannot be decoded as it would expand the source buffer. "
"use \\u2029 instead, or #define RYML_WITH_BACKL_BACKP while compiling.");
#else
// https://www.utf8-chartable.de/unicode-utf8-table.pl?start=8192&number=1024&names=-&utf8=0x&unicodeinhtml=hex
const char payload[] = {
_RYML_CHCONST(-0x1e, 0xe2),
@@ -2770,6 +2785,7 @@ void ParseEngine<EventHandler>::_filter_dquoted_backslash(FilterProcessor &C4_RE
_RYML_CHCONST(-0x57, 0xa9),
};
proc.translate_esc_extending(payload, /*nwrite*/3, /*nread*/1);
#endif
}
else if(next == '\0')
{