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/**
* @file align_oc_msg_colons.cpp
*
* @author Guy Maurel
* @license GPL v2+
*/
#include "align_oc_msg_colons.h"
#include "align_stack.h"
#include "log_rules.h"
constexpr static auto LCURRENT = LOCMSG;
using namespace uncrustify;
void align_oc_msg_colon(chunk_t *so)
{
LOG_FUNC_ENTRY();
AlignStack nas; // for the parameter tag
nas.Start(1);
nas.Reset();
log_rule_B("align_on_tabstop");
nas.m_right_align = !options::align_on_tabstop();
AlignStack cas; // for the colons
log_rule_B("align_oc_msg_colon_span");
size_t span = options::align_oc_msg_colon_span();
cas.Start(span);
size_t level = so->level;
chunk_t *pc = chunk_get_next_ncnnl(so, scope_e::PREPROC);
bool did_line = false;
bool has_colon = false;
size_t lcnt = 0; // line count with no colon for span
bool first_line = true;
while ( pc != nullptr
&& pc->level > level)
{
if (pc->level > (level + 1))
{
// do nothing
}
else if (chunk_is_newline(pc))
{
if (!has_colon)
{
++lcnt;
}
did_line = false;
log_rule_B("align_oc_msg_colon_xcode_like");
if ( options::align_oc_msg_colon_xcode_like()
&& first_line
&& !has_colon)
{
span = 0;
}
has_colon = !has_colon;
first_line = false;
}
else if ( !did_line
&& (lcnt < span + 1)
&& chunk_is_token(pc, CT_OC_COLON))
{
has_colon = true;
cas.Add(pc);
chunk_t *tmp = chunk_get_prev(pc);
if ( tmp != nullptr
&& ( chunk_is_token(tmp, CT_OC_MSG_FUNC)
|| chunk_is_token(tmp, CT_OC_MSG_NAME)))
{
nas.Add(tmp);
chunk_flags_set(tmp, PCF_DONT_INDENT);
}
did_line = true;
}
pc = chunk_get_next(pc, scope_e::PREPROC);
}
log_rule_B("align_oc_msg_colon_first");
nas.m_skip_first = !options::align_oc_msg_colon_first();
cas.m_skip_first = !options::align_oc_msg_colon_first();
// find the longest args that isn't the first one
size_t first_len = 0;
size_t mlen = 0;
chunk_t *longest = nullptr;
size_t len = nas.m_aligned.Len();
for (size_t idx = 0; idx < len; idx++)
{
chunk_t *tmp = nas.m_aligned.GetChunk(idx);
if (tmp != nullptr)
{
size_t tlen = tmp->str.size();
if (tlen > mlen)
{
mlen = tlen;
if (idx != 0)
{
longest = tmp;
}
}
if (idx == 0)
{
first_len = tlen + 1;
}
}
}
// add spaces before the longest arg
log_rule_B("indent_oc_msg_colon");
len = options::indent_oc_msg_colon();
size_t len_diff = mlen - first_len;
log_rule_B("indent_columns");
size_t indent_size = options::indent_columns();
// Align with first colon if possible by removing spaces
log_rule_B("indent_oc_msg_prioritize_first_colon");
if ( longest != nullptr
&& options::indent_oc_msg_prioritize_first_colon()
&& len_diff > 0
&& ( (longest->column >= len_diff)
&& (longest->column - len_diff) > (longest->brace_level * indent_size)))
{
longest->column -= len_diff;
}
else if ( longest != nullptr
&& len > 0)
{
chunk_t chunk;
set_chunk_type(&chunk, CT_SPACE);
set_chunk_parent(&chunk, CT_NONE);
chunk.orig_line = longest->orig_line;
chunk.orig_col = longest->orig_col;
chunk.level = longest->level;
chunk.brace_level = longest->brace_level;
chunk.flags = longest->flags & PCF_COPY_FLAGS;
// start at one since we already indent for the '['
for (size_t idx = 1; idx < len; idx++)
{
chunk.str.append(' ');
}
chunk_add_before(&chunk, longest);
}
nas.End();
cas.End();
} // align_oc_msg_colon
void align_oc_msg_colons(void)
{
LOG_FUNC_ENTRY();
for (chunk_t *pc = chunk_get_head(); pc != nullptr; pc = chunk_get_next(pc))
{
if ( chunk_is_token(pc, CT_SQUARE_OPEN)
&& get_chunk_parent_type(pc) == CT_OC_MSG)
{
align_oc_msg_colon(pc);
}
}
} // align_oc_msg_colons
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