add more hover info
This commit is contained in:
silverweed
parent
8af9fddf73
commit
e9aae3f310
2 changed files with 144 additions and 32 deletions
171
src/rntuple.cpp
171
src/rntuple.cpp
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@ -369,7 +369,7 @@ Section find_section(App_State &app, u64 off, i64 hilite_cluster = -1)
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b8 hilite = false;
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// TFile start
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if (off <= tdata.root_file_header_size) return { Sec_TFile_Header, { 0, tdata.root_file_header_size }, 0, hilite };
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if (off < tdata.root_file_header_size) return { Sec_TFile_Header, { 0, tdata.root_file_header_size }, 0, hilite };
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if (tdata.rng_root_file_obj.start <= off && off < tdata.rng_root_file_obj.end()) return { Sec_TFile_Object, tdata.rng_root_file_obj, 0, hilite };
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if (tdata.rng_root_file_info.start <= off && off < tdata.rng_root_file_info.end()) return { Sec_TFile_Info, tdata.rng_root_file_info, 0, hilite };
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if (tdata.rng_root_file_free.start <= off && off < tdata.rng_root_file_free.end()) return { Sec_TFile_FreeList, tdata.rng_root_file_free, 0, hilite };
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@ -445,51 +445,160 @@ struct Sec_Hover_Info {
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String8_Node *desc;
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};
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template <typename T> void hover_postproc_val(T &) {}
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template <> void hover_postproc_val(u16 &x) { x = bswap_16(x); }
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template <> void hover_postproc_val(u32 &x) { x = bswap_32(x); }
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template <> void hover_postproc_val(u64 &x) { x = bswap_64(x); }
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template <typename T>
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String8_Node *hover_display_val(Arena *arena, String8_Node *prev, const char *fmt, T val)
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{
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hover_postproc_val(val);
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return push_str8_node(arena, prev, fmt, val);
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}
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internal
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String8_Node *hover_display_datetime_str(Arena *arena, String8_Node *prev, const char *fmt_pre, u32 datetime)
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{
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hover_postproc_val(datetime);
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// datetime:
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// year (6b) | month (4b) | day (5b) | hour (5b) | min (6b) | sec (6b)
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u32 year = (datetime >> 26) - 1900 + 1995;
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u32 month = ((datetime & 0x3ff'ffff) >> 22) - 1;
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u32 day = (datetime & 0x3f'ffff) >> 17;
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u32 hour = (datetime & 0x1'ffff) >> 12;
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u32 min = (datetime & 0xfff) >> 6;
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u32 sec = datetime & 0x3f;
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return push_str8_node(arena, prev, "%s%u/%02u/%02u %02u:%02u:%02u", fmt_pre, year, month, day, hour, min, sec);
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}
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struct Try_Sec_Hover_Fn {
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u64 start;
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u64 roff;
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const u8 *data;
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Arena *arena;
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Sec_Hover_Info &info;
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u64 &cur_field_off;
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template <typename TField_Type>
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bool operator()(const char *desc_fmt,
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String8_Node *(*display_val)(Arena *, String8_Node *, const char *, TField_Type) = hover_display_val<TField_Type>
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) const
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{
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u64 field_len = sizeof(TField_Type);
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if (roff < cur_field_off + field_len) {
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info.rng = { start + cur_field_off, field_len };
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TField_Type val;
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memcpy(&val, data + info.rng.start, info.rng.len);
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display_val(arena, info.desc, desc_fmt, val);
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return true;
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}
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cur_field_off += field_len;
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return false;
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}
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};
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// `off` is the absolute offset into `data`.
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internal
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Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, const u8 *data)
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{
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Sec_Hover_Info info {};
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printf("off: 0x%lX, sec start: 0x%lX\n", off, section.range.start);
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// printf("off: 0x%lX, sec start: 0x%lX\n", off, section.range.start);
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// assert(off >= section.range.start);
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if (off < section.range.start) {
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printf("WRONG\n"); // TODO: fix TKey Header case
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}
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info.desc = push_str8_node(arena, nullptr, section_names[section.id].c());
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u64 start = section.range.start;
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u64 roff = off - start; // offset relative to `section`
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u64 cur_field_off = 0;
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Try_Sec_Hover_Fn try_sec_hover { start, roff, data, arena, info, cur_field_off };
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if (section.id == Sec_RNTuple_Anchor) {
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info.desc = push_str8_node(arena, nullptr, "RNTuple Anchor");
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// TODO: dry
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if (roff < sizeof(u32)) {
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info.rng = { start, sizeof(u32) };
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u32 val;
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memcpy(&val, data + info.rng.start, info.rng.len);
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val = bswap_32(val);
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val -= 0x40000000;
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push_str8_node(arena, info.desc, "Object len: %u", val);
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} else if (roff < sizeof(u32) + sizeof(u16)) {
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info.rng = { start + sizeof(u32), sizeof(u16) };
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u32 val;
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memcpy(&val, data + info.rng.start, info.rng.len);
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val = bswap_16(val);
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push_str8_node(arena, info.desc, "Class version: %u", val);
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} else if (roff < sizeof(u32) + sizeof(u16) + sizeof(u16)) {
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info.rng = { start + sizeof(u32) + sizeof(u16), sizeof(u16) };
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u16 val;
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memcpy(&val, data + info.rng.start, info.rng.len);
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val = bswap_16(val);
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push_str8_node(arena, info.desc, "Version Epoch: %u", val);
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} else if (roff < sizeof(u32) + sizeof(u16) + sizeof(u16) + sizeof(u16)) {
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info.rng = { start + sizeof(u32) + sizeof(u16) + sizeof(u16), sizeof(u16) };
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u16 val;
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memcpy(&val, data + info.rng.start, info.rng.len);
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val = bswap_16(val);
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push_str8_node(arena, info.desc, "Version Major: %u", val);
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switch (section.id) {
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case Sec_RNTuple_Anchor: {
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try_sec_hover.operator()<u32>("Object len: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) {
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x = bswap_32(x);
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x -= 0x4000'0000;
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return push_str8_node(arena, prev, fmt, x);
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})
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|| try_sec_hover.operator()<u16>("Class version: %u")
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|| try_sec_hover.operator()<u16>("Version Epoch: %u")
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|| try_sec_hover.operator()<u16>("Version Major: %u")
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|| try_sec_hover.operator()<u16>("Version Minor: %u")
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|| try_sec_hover.operator()<u16>("Version Patch: %u")
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|| try_sec_hover.operator()<u64>("Seek Header: %u")
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|| try_sec_hover.operator()<u64>("NBytes Header: %u")
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|| try_sec_hover.operator()<u64>("Len Header: %u")
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|| try_sec_hover.operator()<u64>("Seek Footer: %u")
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|| try_sec_hover.operator()<u64>("NBytes Footer: %u")
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|| try_sec_hover.operator()<u64>("Len Footer: %u")
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|| try_sec_hover.operator()<u64>("Max Key Size: %u")
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;
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} break;
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case Sec_TFile_Header: {
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u32 root_version_be;
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memcpy(&root_version_be, data + start + 4, sizeof(u32));
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u32 root_version = bswap_32(root_version_be);
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b32x is_big = root_version > 1000000;
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if (is_big) {
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try_sec_hover.operator()<u32>("ROOT magic number")
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|| try_sec_hover.operator()<u32>("ROOT version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) {
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x = bswap_32(x);
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x -= 1000000;
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return push_str8_node(arena, prev, fmt, x);
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})
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|| try_sec_hover.operator()<u32>("fBEGIN: 0x%lX")
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|| try_sec_hover.operator()<u64>("fEND: 0x%lX")
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|| try_sec_hover.operator()<u64>("Seek Free: 0x%lX")
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|| try_sec_hover.operator()<u32>("NBytes Free: %u")
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|| try_sec_hover.operator()<u32>("N Free: %u")
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|| try_sec_hover.operator()<u32>("NBytes Name: %u")
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|| try_sec_hover.operator()<u8>("Units: %u")
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|| try_sec_hover.operator()<u32>("Compression: %u")
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|| try_sec_hover.operator()<u64>("Seek Info: 0x%lX")
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|| try_sec_hover.operator()<u32>("NBytes Info: %u")
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;
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} else {
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try_sec_hover.operator()<u32>("ROOT magic number")
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|| try_sec_hover.operator()<u32>("ROOT version: %u")
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|| try_sec_hover.operator()<u32>("fBEGIN: 0x%lX")
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|| try_sec_hover.operator()<u32>("fEND: 0x%lX")
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|| try_sec_hover.operator()<u32>("Seek Free: 0x%lX")
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|| try_sec_hover.operator()<u32>("NBytes Free: %u")
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|| try_sec_hover.operator()<u32>("N Free: %u")
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|| try_sec_hover.operator()<u32>("NBytes Name: %u")
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|| try_sec_hover.operator()<u8>("Units: %u")
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|| try_sec_hover.operator()<u32>("Compression: %u")
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|| try_sec_hover.operator()<u32>("Seek Info: 0x%lX")
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|| try_sec_hover.operator()<u32>("NBytes Info: %u")
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;
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}
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} break;
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case Sec_TFile_Object: {
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// FIXME
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try_sec_hover.operator()<u32>("ROOT magic number")
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|| try_sec_hover.operator()<u16>("Class version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
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x = bswap_16(x);
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x -= (x > 1000) * 1000;
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return push_str8_node(arena, prev, fmt, x);
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})
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|| try_sec_hover.operator()<u32>("Created: ", hover_display_datetime_str)
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|| try_sec_hover.operator()<u32>("Modified: ", hover_display_datetime_str)
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|| try_sec_hover.operator()<u32>("NBytes Keys %u")
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|| try_sec_hover.operator()<u32>("NBytes Name %u")
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;
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} break;
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default:;
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}
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return info;
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}
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@ -1072,7 +1072,10 @@ Root_File_Info get_root_file_info(const char *fname, bool is_big_file)
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{
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RTFString fileName { fname };
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Root_File_Info fileInfo {};
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fileInfo.tfile_header_nbytes = RTFHeader{}.GetSize();
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RTFHeader header;
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if (is_big_file)
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header.SetBigFile();
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fileInfo.tfile_header_nbytes = header.GetSize();
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fileInfo.tfile_obj_seek = 100; // kBEGIN
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fileInfo.tfile_obj_nbytes = sizeof(RTFFile) + fileName.GetSize() + RTFString{}.GetSize() + RTFUUID{}.GetSize();
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fileInfo.version_seek = offsetof(RTFHeader, fVersion);
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