aboutsummaryrefslogtreecommitdiff
path: root/thirdparty/ryml/src/c4/yml/emit.def.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/ryml/src/c4/yml/emit.def.hpp')
-rw-r--r--thirdparty/ryml/src/c4/yml/emit.def.hpp960
1 files changed, 0 insertions, 960 deletions
diff --git a/thirdparty/ryml/src/c4/yml/emit.def.hpp b/thirdparty/ryml/src/c4/yml/emit.def.hpp
deleted file mode 100644
index d262a9e2a..000000000
--- a/thirdparty/ryml/src/c4/yml/emit.def.hpp
+++ /dev/null
@@ -1,960 +0,0 @@
-#ifndef _C4_YML_EMIT_DEF_HPP_
-#define _C4_YML_EMIT_DEF_HPP_
-
-#ifndef _C4_YML_EMIT_HPP_
-#include "c4/yml/emit.hpp"
-#endif
-
-namespace c4 {
-namespace yml {
-
-template<class Writer>
-substr Emitter<Writer>::emit_as(EmitType_e type, Tree const& t, size_t id, bool error_on_excess)
-{
- if(t.empty())
- {
- _RYML_CB_ASSERT(t.callbacks(), id == NONE);
- return {};
- }
- _RYML_CB_CHECK(t.callbacks(), id < t.size());
- m_tree = &t;
- if(type == EMIT_YAML)
- _emit_yaml(id);
- else if(type == EMIT_JSON)
- _do_visit_json(id);
- else
- _RYML_CB_ERR(m_tree->callbacks(), "unknown emit type");
- return this->Writer::_get(error_on_excess);
-}
-
-template<class Writer>
-substr Emitter<Writer>::emit_as(EmitType_e type, Tree const& t, bool error_on_excess)
-{
- if(t.empty())
- return {};
- return this->emit_as(type, t, t.root_id(), error_on_excess);
-}
-
-template<class Writer>
-substr Emitter<Writer>::emit_as(EmitType_e type, ConstNodeRef const& n, bool error_on_excess)
-{
- _RYML_CB_CHECK(n.tree()->callbacks(), n.valid());
- return this->emit_as(type, *n.tree(), n.id(), error_on_excess);
-}
-
-
-//-----------------------------------------------------------------------------
-
-template<class Writer>
-void Emitter<Writer>::_emit_yaml(size_t id)
-{
- // save branches in the visitor by doing the initial stream/doc
- // logic here, sparing the need to check stream/val/keyval inside
- // the visitor functions
- auto dispatch = [this](size_t node){
- NodeType ty = m_tree->type(node);
- if(ty.marked_flow_sl())
- _do_visit_flow_sl(node, 0);
- else if(ty.marked_flow_ml())
- _do_visit_flow_ml(node, 0);
- else
- {
- _do_visit_block(node, 0);
- }
- };
- if(!m_tree->is_root(id))
- {
- if(m_tree->is_container(id) && !m_tree->type(id).marked_flow())
- {
- size_t ilevel = 0;
- if(m_tree->has_key(id))
- {
- this->Writer::_do_write(m_tree->key(id));
- this->Writer::_do_write(":\n");
- ++ilevel;
- }
- _do_visit_block_container(id, ilevel, ilevel);
- return;
- }
- }
-
- auto *btd = m_tree->tag_directives().b;
- auto *etd = m_tree->tag_directives().e;
- auto write_tag_directives = [&btd, etd, this](size_t next_node){
- auto end = btd;
- while(end < etd)
- {
- if(end->next_node_id > next_node)
- break;
- ++end;
- }
- for( ; btd != end; ++btd)
- {
- if(next_node != m_tree->first_child(m_tree->parent(next_node)))
- this->Writer::_do_write("...\n");
- this->Writer::_do_write("%TAG ");
- this->Writer::_do_write(btd->handle);
- this->Writer::_do_write(' ');
- this->Writer::_do_write(btd->prefix);
- this->Writer::_do_write('\n');
- }
- };
- if(m_tree->is_stream(id))
- {
- if(m_tree->first_child(id) != NONE)
- write_tag_directives(m_tree->first_child(id));
- for(size_t child = m_tree->first_child(id); child != NONE; child = m_tree->next_sibling(child))
- {
- dispatch(child);
- if(m_tree->next_sibling(child) != NONE)
- write_tag_directives(m_tree->next_sibling(child));
- }
- }
- else if(m_tree->is_container(id))
- {
- dispatch(id);
- }
- else if(m_tree->is_doc(id))
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), !m_tree->is_container(id)); // checked above
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->is_val(id)); // so it must be a val
- _write_doc(id);
- }
- else if(m_tree->is_keyval(id))
- {
- _writek(id, 0);
- this->Writer::_do_write(": ");
- _writev(id, 0);
- if(!m_tree->type(id).marked_flow())
- this->Writer::_do_write('\n');
- }
- else if(m_tree->is_val(id))
- {
- //this->Writer::_do_write("- ");
- _writev(id, 0);
- if(!m_tree->type(id).marked_flow())
- this->Writer::_do_write('\n');
- }
- else if(m_tree->type(id) == NOTYPE)
- {
- ;
- }
- else
- {
- _RYML_CB_ERR(m_tree->callbacks(), "unknown type");
- }
-}
-
-template<class Writer>
-void Emitter<Writer>::_write_doc(size_t id)
-{
- RYML_ASSERT(m_tree->is_doc(id));
- if(!m_tree->is_root(id))
- {
- RYML_ASSERT(m_tree->is_stream(m_tree->parent(id)));
- this->Writer::_do_write("---");
- }
- if(!m_tree->has_val(id)) // this is more frequent
- {
- if(m_tree->has_val_tag(id))
- {
- if(!m_tree->is_root(id))
- this->Writer::_do_write(' ');
- _write_tag(m_tree->val_tag(id));
- }
- if(m_tree->has_val_anchor(id))
- {
- if(!m_tree->is_root(id))
- this->Writer::_do_write(' ');
- this->Writer::_do_write('&');
- this->Writer::_do_write(m_tree->val_anchor(id));
- }
- }
- else // docval
- {
- RYML_ASSERT(m_tree->has_val(id));
- RYML_ASSERT(!m_tree->has_key(id));
- if(!m_tree->is_root(id))
- this->Writer::_do_write(' ');
- _writev(id, 0);
- }
- this->Writer::_do_write('\n');
-}
-
-template<class Writer>
-void Emitter<Writer>::_do_visit_flow_sl(size_t node, size_t ilevel)
-{
- RYML_ASSERT(!m_tree->is_stream(node));
- RYML_ASSERT(m_tree->is_container(node) || m_tree->is_doc(node));
- RYML_ASSERT(m_tree->is_root(node) || (m_tree->parent_is_map(node) || m_tree->parent_is_seq(node)));
-
- if(m_tree->is_doc(node))
- {
- _write_doc(node);
- if(!m_tree->has_children(node))
- return;
- }
- else if(m_tree->is_container(node))
- {
- RYML_ASSERT(m_tree->is_map(node) || m_tree->is_seq(node));
-
- bool spc = false; // write a space
-
- if(m_tree->has_key(node))
- {
- _writek(node, ilevel);
- this->Writer::_do_write(':');
- spc = true;
- }
-
- if(m_tree->has_val_tag(node))
- {
- if(spc)
- this->Writer::_do_write(' ');
- _write_tag(m_tree->val_tag(node));
- spc = true;
- }
-
- if(m_tree->has_val_anchor(node))
- {
- if(spc)
- this->Writer::_do_write(' ');
- this->Writer::_do_write('&');
- this->Writer::_do_write(m_tree->val_anchor(node));
- spc = true;
- }
-
- if(spc)
- this->Writer::_do_write(' ');
-
- if(m_tree->is_map(node))
- {
- this->Writer::_do_write('{');
- }
- else
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->is_seq(node));
- this->Writer::_do_write('[');
- }
- } // container
-
- for(size_t child = m_tree->first_child(node), count = 0; child != NONE; child = m_tree->next_sibling(child))
- {
- if(count++)
- this->Writer::_do_write(',');
- if(m_tree->is_keyval(child))
- {
- _writek(child, ilevel);
- this->Writer::_do_write(": ");
- _writev(child, ilevel);
- }
- else if(m_tree->is_val(child))
- {
- _writev(child, ilevel);
- }
- else
- {
- // with single-line flow, we can never go back to block
- _do_visit_flow_sl(child, ilevel + 1);
- }
- }
-
- if(m_tree->is_map(node))
- {
- this->Writer::_do_write('}');
- }
- else if(m_tree->is_seq(node))
- {
- this->Writer::_do_write(']');
- }
-}
-
-template<class Writer>
-void Emitter<Writer>::_do_visit_flow_ml(size_t id, size_t ilevel, size_t do_indent)
-{
- C4_UNUSED(id);
- C4_UNUSED(ilevel);
- C4_UNUSED(do_indent);
- RYML_CHECK(false/*not implemented*/);
-}
-
-template<class Writer>
-void Emitter<Writer>::_do_visit_block_container(size_t node, size_t next_level, size_t do_indent)
-{
- RepC ind = indent_to(do_indent * next_level);
-
- if(m_tree->is_seq(node))
- {
- for(size_t child = m_tree->first_child(node); child != NONE; child = m_tree->next_sibling(child))
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), !m_tree->has_key(child));
- if(m_tree->is_val(child))
- {
- this->Writer::_do_write(ind);
- this->Writer::_do_write("- ");
- _writev(child, next_level);
- this->Writer::_do_write('\n');
- }
- else
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->is_container(child));
- NodeType ty = m_tree->type(child);
- if(ty.marked_flow_sl())
- {
- this->Writer::_do_write(ind);
- this->Writer::_do_write("- ");
- _do_visit_flow_sl(child, 0u);
- this->Writer::_do_write('\n');
- }
- else if(ty.marked_flow_ml())
- {
- this->Writer::_do_write(ind);
- this->Writer::_do_write("- ");
- _do_visit_flow_ml(child, next_level, do_indent);
- this->Writer::_do_write('\n');
- }
- else
- {
- _do_visit_block(child, next_level, do_indent);
- }
- }
- do_indent = true;
- ind = indent_to(do_indent * next_level);
- }
- }
- else // map
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->is_map(node));
- for(size_t ich = m_tree->first_child(node); ich != NONE; ich = m_tree->next_sibling(ich))
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->has_key(ich));
- if(m_tree->is_keyval(ich))
- {
- this->Writer::_do_write(ind);
- _writek(ich, next_level);
- this->Writer::_do_write(": ");
- _writev(ich, next_level);
- this->Writer::_do_write('\n');
- }
- else
- {
- _RYML_CB_ASSERT(m_tree->callbacks(), m_tree->is_container(ich));
- NodeType ty = m_tree->type(ich);
- if(ty.marked_flow_sl())
- {
- this->Writer::_do_write(ind);
- _do_visit_flow_sl(ich, 0u);
- this->Writer::_do_write('\n');
- }
- else if(ty.marked_flow_ml())
- {
- this->Writer::_do_write(ind);
- _do_visit_flow_ml(ich, 0u);
- this->Writer::_do_write('\n');
- }
- else
- {
- _do_visit_block(ich, next_level, do_indent);
- }
- }
- do_indent = true;
- ind = indent_to(do_indent * next_level);
- }
- }
-}
-
-template<class Writer>
-void Emitter<Writer>::_do_visit_block(size_t node, size_t ilevel, size_t do_indent)
-{
- RYML_ASSERT(!m_tree->is_stream(node));
- RYML_ASSERT(m_tree->is_container(node) || m_tree->is_doc(node));
- RYML_ASSERT(m_tree->is_root(node) || (m_tree->parent_is_map(node) || m_tree->parent_is_seq(node)));
- RepC ind = indent_to(do_indent * ilevel);
-
- if(m_tree->is_doc(node))
- {
- _write_doc(node);
- if(!m_tree->has_children(node))
- return;
- }
- else if(m_tree->is_container(node))
- {
- RYML_ASSERT(m_tree->is_map(node) || m_tree->is_seq(node));
-
- bool spc = false; // write a space
- bool nl = false; // write a newline
-
- if(m_tree->has_key(node))
- {
- this->Writer::_do_write(ind);
- _writek(node, ilevel);
- this->Writer::_do_write(':');
- spc = true;
- }
- else if(!m_tree->is_root(node))
- {
- this->Writer::_do_write(ind);
- this->Writer::_do_write('-');
- spc = true;
- }
-
- if(m_tree->has_val_tag(node))
- {
- if(spc)
- this->Writer::_do_write(' ');
- _write_tag(m_tree->val_tag(node));
- spc = true;
- nl = true;
- }
-
- if(m_tree->has_val_anchor(node))
- {
- if(spc)
- this->Writer::_do_write(' ');
- this->Writer::_do_write('&');
- this->Writer::_do_write(m_tree->val_anchor(node));
- spc = true;
- nl = true;
- }
-
- if(m_tree->has_children(node))
- {
- if(m_tree->has_key(node))
- nl = true;
- else
- if(!m_tree->is_root(node) && !nl)
- spc = true;
- }
- else
- {
- if(m_tree->is_seq(node))
- this->Writer::_do_write(" []\n");
- else if(m_tree->is_map(node))
- this->Writer::_do_write(" {}\n");
- return;
- }
-
- if(spc && !nl)
- this->Writer::_do_write(' ');
-
- do_indent = 0;
- if(nl)
- {
- this->Writer::_do_write('\n');
- do_indent = 1;
- }
- } // container
-
- size_t next_level = ilevel + 1;
- if(m_tree->is_root(node) || m_tree->is_doc(node))
- next_level = ilevel; // do not indent at top level
-
- _do_visit_block_container(node, next_level, do_indent);
-}
-
-template<class Writer>
-void Emitter<Writer>::_do_visit_json(size_t id)
-{
- _RYML_CB_CHECK(m_tree->callbacks(), !m_tree->is_stream(id)); // JSON does not have streams
- if(m_tree->is_keyval(id))
- {
- _writek_json(id);
- this->Writer::_do_write(": ");
- _writev_json(id);
- }
- else if(m_tree->is_val(id))
- {
- _writev_json(id);
- }
- else if(m_tree->is_container(id))
- {
- if(m_tree->has_key(id))
- {
- _writek_json(id);
- this->Writer::_do_write(": ");
- }
- if(m_tree->is_seq(id))
- this->Writer::_do_write('[');
- else if(m_tree->is_map(id))
- this->Writer::_do_write('{');
- } // container
-
- for(size_t ich = m_tree->first_child(id); ich != NONE; ich = m_tree->next_sibling(ich))
- {
- if(ich != m_tree->first_child(id))
- this->Writer::_do_write(',');
- _do_visit_json(ich);
- }
-
- if(m_tree->is_seq(id))
- this->Writer::_do_write(']');
- else if(m_tree->is_map(id))
- this->Writer::_do_write('}');
-}
-
-template<class Writer>
-void Emitter<Writer>::_write(NodeScalar const& C4_RESTRICT sc, NodeType flags, size_t ilevel)
-{
- if( ! sc.tag.empty())
- {
- _write_tag(sc.tag);
- this->Writer::_do_write(' ');
- }
- if(flags.has_anchor())
- {
- RYML_ASSERT(flags.is_ref() != flags.has_anchor());
- RYML_ASSERT( ! sc.anchor.empty());
- this->Writer::_do_write('&');
- this->Writer::_do_write(sc.anchor);
- this->Writer::_do_write(' ');
- }
- else if(flags.is_ref())
- {
- if(sc.anchor != "<<")
- this->Writer::_do_write('*');
- this->Writer::_do_write(sc.anchor);
- return;
- }
-
- // ensure the style flags only have one of KEY or VAL
- _RYML_CB_ASSERT(m_tree->callbacks(), ((flags & (_WIP_KEY_STYLE|_WIP_VAL_STYLE)) == 0) || (((flags&_WIP_KEY_STYLE) == 0) != ((flags&_WIP_VAL_STYLE) == 0)));
-
- auto style_marks = flags & (_WIP_KEY_STYLE|_WIP_VAL_STYLE);
- if(style_marks & (_WIP_KEY_LITERAL|_WIP_VAL_LITERAL))
- {
- _write_scalar_literal(sc.scalar, ilevel, flags.has_key());
- }
- else if(style_marks & (_WIP_KEY_FOLDED|_WIP_VAL_FOLDED))
- {
- _write_scalar_folded(sc.scalar, ilevel, flags.has_key());
- }
- else if(style_marks & (_WIP_KEY_SQUO|_WIP_VAL_SQUO))
- {
- _write_scalar_squo(sc.scalar, ilevel);
- }
- else if(style_marks & (_WIP_KEY_DQUO|_WIP_VAL_DQUO))
- {
- _write_scalar_dquo(sc.scalar, ilevel);
- }
- else if(style_marks & (_WIP_KEY_PLAIN|_WIP_VAL_PLAIN))
- {
- _write_scalar_plain(sc.scalar, ilevel);
- }
- else if(!style_marks)
- {
- size_t first_non_nl = sc.scalar.first_not_of('\n');
- bool all_newlines = first_non_nl == npos;
- bool has_leading_ws = (!all_newlines) && sc.scalar.sub(first_non_nl).begins_with_any(" \t");
- bool do_literal = ((!sc.scalar.empty() && all_newlines) || (has_leading_ws && !sc.scalar.trim(' ').empty()));
- if(do_literal)
- {
- _write_scalar_literal(sc.scalar, ilevel, flags.has_key(), /*explicit_indentation*/has_leading_ws);
- }
- else
- {
- for(size_t i = 0; i < sc.scalar.len; ++i)
- {
- if(sc.scalar.str[i] == '\n')
- {
- _write_scalar_literal(sc.scalar, ilevel, flags.has_key(), /*explicit_indentation*/has_leading_ws);
- goto wrote_special;
- }
- // todo: check for escaped characters requiring double quotes
- }
- _write_scalar(sc.scalar, flags.is_quoted());
- wrote_special:
- ;
- }
- }
- else
- {
- _RYML_CB_ERR(m_tree->callbacks(), "not implemented");
- }
-}
-template<class Writer>
-void Emitter<Writer>::_write_json(NodeScalar const& C4_RESTRICT sc, NodeType flags)
-{
- if(C4_UNLIKELY( ! sc.tag.empty()))
- _RYML_CB_ERR(m_tree->callbacks(), "JSON does not have tags");
- if(C4_UNLIKELY(flags.has_anchor()))
- _RYML_CB_ERR(m_tree->callbacks(), "JSON does not have anchors");
- _write_scalar_json(sc.scalar, flags.has_key(), flags.is_quoted());
-}
-
-#define _rymlindent_nextline() for(size_t lv = 0; lv < ilevel+1; ++lv) { this->Writer::_do_write(' '); this->Writer::_do_write(' '); }
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar_literal(csubstr s, size_t ilevel, bool explicit_key, bool explicit_indentation)
-{
- if(explicit_key)
- this->Writer::_do_write("? ");
- csubstr trimmed = s.trimr("\n\r");
- size_t numnewlines_at_end = s.len - trimmed.len - s.sub(trimmed.len).count('\r');
- //
- if(!explicit_indentation)
- this->Writer::_do_write('|');
- else
- this->Writer::_do_write("|2");
- //
- if(numnewlines_at_end > 1 || (trimmed.len == 0 && s.len > 0)/*only newlines*/)
- this->Writer::_do_write("+\n");
- else if(numnewlines_at_end == 1)
- this->Writer::_do_write('\n');
- else
- this->Writer::_do_write("-\n");
- //
- if(trimmed.len)
- {
- size_t pos = 0; // tracks the last character that was already written
- for(size_t i = 0; i < trimmed.len; ++i)
- {
- if(trimmed[i] != '\n')
- continue;
- // write everything up to this point
- csubstr since_pos = trimmed.range(pos, i+1); // include the newline
- _rymlindent_nextline()
- this->Writer::_do_write(since_pos);
- pos = i+1; // already written
- }
- if(pos < trimmed.len)
- {
- _rymlindent_nextline()
- this->Writer::_do_write(trimmed.sub(pos));
- }
- if(numnewlines_at_end)
- {
- this->Writer::_do_write('\n');
- --numnewlines_at_end;
- }
- }
- for(size_t i = 0; i < numnewlines_at_end; ++i)
- {
- _rymlindent_nextline()
- if(i+1 < numnewlines_at_end || explicit_key)
- this->Writer::_do_write('\n');
- }
- if(explicit_key && !numnewlines_at_end)
- this->Writer::_do_write('\n');
-}
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar_folded(csubstr s, size_t ilevel, bool explicit_key)
-{
- if(explicit_key)
- {
- this->Writer::_do_write("? ");
- }
- RYML_ASSERT(s.find("\r") == csubstr::npos);
- csubstr trimmed = s.trimr('\n');
- size_t numnewlines_at_end = s.len - trimmed.len;
- if(numnewlines_at_end == 0)
- {
- this->Writer::_do_write(">-\n");
- }
- else if(numnewlines_at_end == 1)
- {
- this->Writer::_do_write(">\n");
- }
- else if(numnewlines_at_end > 1)
- {
- this->Writer::_do_write(">+\n");
- }
- if(trimmed.len)
- {
- size_t pos = 0; // tracks the last character that was already written
- for(size_t i = 0; i < trimmed.len; ++i)
- {
- if(trimmed[i] != '\n')
- continue;
- // write everything up to this point
- csubstr since_pos = trimmed.range(pos, i+1); // include the newline
- pos = i+1; // because of the newline
- _rymlindent_nextline()
- this->Writer::_do_write(since_pos);
- this->Writer::_do_write('\n'); // write the newline twice
- }
- if(pos < trimmed.len)
- {
- _rymlindent_nextline()
- this->Writer::_do_write(trimmed.sub(pos));
- }
- if(numnewlines_at_end)
- {
- this->Writer::_do_write('\n');
- --numnewlines_at_end;
- }
- }
- for(size_t i = 0; i < numnewlines_at_end; ++i)
- {
- _rymlindent_nextline()
- if(i+1 < numnewlines_at_end || explicit_key)
- this->Writer::_do_write('\n');
- }
- if(explicit_key && !numnewlines_at_end)
- this->Writer::_do_write('\n');
-}
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar_squo(csubstr s, size_t ilevel)
-{
- size_t pos = 0; // tracks the last character that was already written
- this->Writer::_do_write('\'');
- for(size_t i = 0; i < s.len; ++i)
- {
- if(s[i] == '\n')
- {
- csubstr sub = s.range(pos, i+1);
- this->Writer::_do_write(sub); // write everything up to (including) this char
- this->Writer::_do_write('\n'); // write the character again
- if(i + 1 < s.len)
- _rymlindent_nextline() // indent the next line
- pos = i+1;
- }
- else if(s[i] == '\'')
- {
- csubstr sub = s.range(pos, i+1);
- this->Writer::_do_write(sub); // write everything up to (including) this char
- this->Writer::_do_write('\''); // write the character again
- pos = i+1;
- }
- }
- // write missing characters at the end of the string
- if(pos < s.len)
- this->Writer::_do_write(s.sub(pos));
- this->Writer::_do_write('\'');
-}
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar_dquo(csubstr s, size_t ilevel)
-{
- size_t pos = 0; // tracks the last character that was already written
- this->Writer::_do_write('"');
- for(size_t i = 0; i < s.len; ++i)
- {
- const char curr = s.str[i];
- if(curr == '"' || curr == '\\')
- {
- csubstr sub = s.range(pos, i);
- this->Writer::_do_write(sub); // write everything up to (excluding) this char
- this->Writer::_do_write('\\'); // write the escape
- this->Writer::_do_write(curr); // write the char
- pos = i+1;
- }
- else if(s[i] == '\n')
- {
- csubstr sub = s.range(pos, i+1);
- this->Writer::_do_write(sub); // write everything up to (including) this newline
- this->Writer::_do_write('\n'); // write the newline again
- if(i + 1 < s.len)
- _rymlindent_nextline() // indent the next line
- pos = i+1;
- if(i+1 < s.len) // escape leading whitespace after the newline
- {
- const char next = s.str[i+1];
- if(next == ' ' || next == '\t')
- this->Writer::_do_write('\\');
- }
- }
- else if(curr == ' ' || curr == '\t')
- {
- // escape trailing whitespace before a newline
- size_t next = s.first_not_of(" \t\r", i);
- if(next != npos && s[next] == '\n')
- {
- csubstr sub = s.range(pos, i);
- this->Writer::_do_write(sub); // write everything up to (excluding) this char
- this->Writer::_do_write('\\'); // escape the whitespace
- pos = i;
- }
- }
- else if(C4_UNLIKELY(curr == '\r'))
- {
- csubstr sub = s.range(pos, i);
- this->Writer::_do_write(sub); // write everything up to (excluding) this char
- this->Writer::_do_write("\\r"); // write the escaped char
- pos = i+1;
- }
- }
- // write missing characters at the end of the string
- if(pos < s.len)
- {
- csubstr sub = s.sub(pos);
- this->Writer::_do_write(sub);
- }
- this->Writer::_do_write('"');
-}
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar_plain(csubstr s, size_t ilevel)
-{
- size_t pos = 0; // tracks the last character that was already written
- for(size_t i = 0; i < s.len; ++i)
- {
- const char curr = s.str[i];
- if(curr == '\n')
- {
- csubstr sub = s.range(pos, i+1);
- this->Writer::_do_write(sub); // write everything up to (including) this newline
- this->Writer::_do_write('\n'); // write the newline again
- if(i + 1 < s.len)
- _rymlindent_nextline() // indent the next line
- pos = i+1;
- }
- }
- // write missing characters at the end of the string
- if(pos < s.len)
- {
- csubstr sub = s.sub(pos);
- this->Writer::_do_write(sub);
- }
-}
-
-#undef _rymlindent_nextline
-
-template<class Writer>
-void Emitter<Writer>::_write_scalar(csubstr s, bool was_quoted)
-{
- // this block of code needed to be moved to before the needs_quotes
- // assignment to work around a g++ optimizer bug where (s.str != nullptr)
- // was evaluated as true even if s.str was actually a nullptr (!!!)
- if(s.len == size_t(0))
- {
- if(was_quoted || s.str != nullptr)
- this->Writer::_do_write("''");
- return;
- }
-
- const bool needs_quotes = (
- was_quoted
- ||
- (
- ( ! s.is_number())
- &&
- (
- // has leading whitespace
- // looks like reference or anchor
- // would be treated as a directive
- // see https://www.yaml.info/learn/quote.html#noplain
- s.begins_with_any(" \n\t\r*&%@`")
- ||
- s.begins_with("<<")
- ||
- // has trailing whitespace
- s.ends_with_any(" \n\t\r")
- ||
- // has special chars
- (s.first_of("#:-?,\n{}[]'\"") != npos)
- )
- )
- );
-
- if( ! needs_quotes)
- {
- this->Writer::_do_write(s);
- }
- else
- {
- const bool has_dquotes = s.first_of( '"') != npos;
- const bool has_squotes = s.first_of('\'') != npos;
- if(!has_squotes && has_dquotes)
- {
- this->Writer::_do_write('\'');
- this->Writer::_do_write(s);
- this->Writer::_do_write('\'');
- }
- else if(has_squotes && !has_dquotes)
- {
- RYML_ASSERT(s.count('\n') == 0);
- this->Writer::_do_write('"');
- this->Writer::_do_write(s);
- this->Writer::_do_write('"');
- }
- else
- {
- _write_scalar_squo(s, /*FIXME FIXME FIXME*/0);
- }
- }
-}
-template<class Writer>
-void Emitter<Writer>::_write_scalar_json(csubstr s, bool as_key, bool use_quotes)
-{
- if((!use_quotes)
- // json keys require quotes
- && (!as_key)
- && (
- // do not quote special cases
- (s == "true" || s == "false" || s == "null")
- || (
- // do not quote numbers
- (s.is_number()
- && (
- // quote integral numbers if they have a leading 0
- // https://github.com/biojppm/rapidyaml/issues/291
- (!(s.len > 1 && s.begins_with('0')))
- // do not quote reals with leading 0
- // https://github.com/biojppm/rapidyaml/issues/313
- || (s.find('.') != csubstr::npos) ))
- )
- )
- )
- {
- this->Writer::_do_write(s);
- }
- else
- {
- size_t pos = 0;
- this->Writer::_do_write('"');
- for(size_t i = 0; i < s.len; ++i)
- {
- switch(s.str[i])
- {
- case '"':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\\"");
- pos = i + 1;
- break;
- case '\n':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\n");
- pos = i + 1;
- break;
- case '\t':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\t");
- pos = i + 1;
- break;
- case '\\':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\\\");
- pos = i + 1;
- break;
- case '\r':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\r");
- pos = i + 1;
- break;
- case '\b':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\b");
- pos = i + 1;
- break;
- case '\f':
- this->Writer ::_do_write(s.range(pos, i));
- this->Writer ::_do_write("\\f");
- pos = i + 1;
- break;
- }
- }
- if(pos < s.len)
- {
- csubstr sub = s.sub(pos);
- this->Writer::_do_write(sub);
- }
- this->Writer::_do_write('"');
- }
-}
-
-} // namespace yml
-} // namespace c4
-
-#endif /* _C4_YML_EMIT_DEF_HPP_ */